JP3275076B2 - Film photography equipment and camera - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a film photographing apparatus and a camera capable of photographing a film.

[Conventional technology]

FIG. 4 is a configuration diagram of a still video image recording device in the case where a light source is provided in a conventional negative / positive adapter, and FIG. 5 is a configuration diagram of a still image recording device in the case where a light source is not provided in a conventional negative / positive adapter.

In FIG. 4, reference numeral 100 denotes an SV camera, and reference numeral 200 denotes a self-illuminating negative / positive adapter. In the negative / positive adapter 200, 201 is a negative / positive mode terminal, 202 is a negative / positive switching terminal, 203 is a negative / positive mode switch, 204 is a negative / positive switching switch, 205 is a film irradiation light, 206 is a film, and 207 is a lens.

 Next, the operation of this conventional example will be described with reference to FIG.

First, when the SV camera 100 is connected to the negative / positive adapter 200, the negative / positive mode switch 203 is turned on (the connection is not shown), and the SV camera 100 enters a negative / positive photographing mode, and the image of the film is Perform the operation of recording on a floppy disk.

 Next, another conventional example will be described with reference to FIG.

In FIG. 5, reference numeral 100 denotes an SV camera integrated with a flash discharge lamp (hereinafter referred to as a discharge lamp); 200, a negative / positive adapter having no light source; and 300, an external discharge lamp (see FIG. 5). The reference numerals correspond to the same reference numerals in FIG. 1 described later, so refer to FIG. 1).

 Next, the operation of this conventional example will be described with reference to FIG.

When the SV camera 100 knows that it has been connected to the negative-positive adapter 200 (not shown), it enters a negative-positive shooting mode and prepares to emit light from the built-in discharge lamp 118 which is a photoelectric for film irradiation. When the built-in discharge lamp 118 emits light, the discharge lamp light passes through the condensing lens 206, passes through the reflection mirrors 204 and 203, and forms a film.
Irradiate 202. The illuminated film image is recorded on a video floppy as is well known.

[Problems to be solved by the invention]

As described above, in the conventional example, the negative-positive adapter is used.
Since the light source is included in the 200, when the negative-positive shooting mode is entered, the emission of the discharge lamp is prohibited and negative-positive shooting recording is performed. On the other hand, in another conventional example, since no light source is provided in the negative-positive adapter 200, the discharge lamp needs to emit light. As described above, there has been a problem that the two types of negative / positive adapters are mixed, resulting in a still video image recording apparatus having poor operability and being difficult to use.

The present invention has been made under such a circumstance, and in accordance with the type of adapter combined with the camera, it is automatically determined whether or not the flash discharge lamp on the camera side should emit light. It is an object of the present invention to provide a good film photographing apparatus and camera.

[Means for solving the problem]

In order to achieve the above object, in the present invention, the film photographing apparatus is configured as in the following (1), and the camera is configured as in the following (2).

(1) a camera having a flash discharge lamp and photoelectric conversion means;
In a film photographing apparatus for photographing a photographing range of a photographic film size by combining with an adapter for irradiating a film, the camera has a light path in which the combined adapter irradiates the photographing range with the flashlight. Detecting means for detecting whether the adapter is the first adapter or a second adapter having a light source for illuminating the photographing range, and detecting that the adapter combined by the detecting means is the second adapter And a prohibiting means for prohibiting the emission of the flash discharge lamp when it is performed.

(2) In a camera having a flash discharge sugar and a photoelectric conversion means, and combining an adapter for irradiating a film to capture a photographic film size in a shooting range, the combined adapter uses the flash lamp to capture the image. Detecting means for detecting whether the adapter is a first adapter having an optical path for illuminating the range or a second adapter having a light source for illuminating the imaging range, and an adapter combined by the detecting means, Prohibiting means for prohibiting emission of the flash discharge lamp when the adapter is detected.

[Action]

According to the above configurations (1) and (2), when the second adapter is combined with the camera, light emission of the flash discharge lamp on the camera side is prohibited.

〔Example〕

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a configuration diagram of a still video image recording apparatus in the case where there is no light source in a negative-positive adapter according to one embodiment of the present invention, and FIG. 2 is a configuration diagram in which a light source is present in a negative-positive adapter of this embodiment. FIG. 3 is a flowchart for controlling the operation of this embodiment.

In FIG. 1, A is a photoelectric conversion means, and CCD1
It consists of 06. Reference numeral B denotes a first close-up means, which is constituted by an SV camera 100 (described later) and has a function capable of photographing a photographing range substantially in the size of a photographic film. D is a second close-up means, which is constituted by an NP adapter 200 having no light source, and an optical path C for irradiating the photographing area with a discharge lamp (described later).
Means. E is a third close-up means (FIG. 2), which is constituted by the negative-positive adapter in FIG. 2 and has a light source for irradiating the photographing range therein. F
Is a light source detecting means, which is configured by the controller 120,
A means for detecting the presence or absence of a light source for irradiation in either the second close-up means or the third close-up means connected to the first close-up means.

Next, the operation of this embodiment will be described with reference to FIG. 1, FIG. 2 and FIG.

In FIGS. 1 to 3, when the SV camera 100 (FIG. 1) confirms that the switch (SW) 1125 is turned on, the process proceeds from # 401 to # 402 in FIG. If SW1 125 is off, return to # 401. In step # 402, if the SV camera 100 is connected to the negative / positive (NP) adapter 200 and the negative / positive mode switch (not shown) is on, the process proceeds to step # 404.
On the other hand, if the NP adapter 200 is not connected and the negative / positive mode switch is off, the process proceeds to step # 403 to perform a normal SV camera recording sequence (a description of this operation is omitted). Go to # 404, system controller 1
20 detects the light source presence / absence switch 127 in the negative / positive adapter 200 via the main interface 124. In the negative / positive adapter 200 shown in FIG.
Since 27 is at GND and is in the ON state, there is no light source, so the process proceeds to # 410 in preparation for discharge lamp emission.

From # 410, the case where there is no light source in the negative / positive adapter 200 will be described with reference to FIG.

In # 410, the system controller 120 checks via the discharge lamp interface 119 whether the built-in discharge lamp 118 is in a fully charged state. If the charging of the discharge lamp is not completed, the system controller 120 proceeds to # 415 and charges the built-in discharge lamp 118 from the discharge lamp interface 119. On the other hand, if the charging of the main capacitor (not shown) in the built-in discharge lamp 118 is completed, the process proceeds to # 411, and the state of the negative / positive changeover switch (not shown) is checked.
Proceeding to 3, the system controller 120 executes the negative / positive circuit 10
Set 9 to negative mode. On the other hand, in the case of a positive in # 411, the process proceeds to # 412, and similarly, the negative-positive circuit 1
Set 09 to positive mode. Then, in # 414, when the on operation of the switch (SW) 2 126 is detected, the system controller 120 proceeds to # 122, and drives the spindle motor 115 by the spindle motor drive circuit 122 via the disk drive interface 121. To start. On the other hand, if the ON operation of SW2 126 is not detected in # 414, the process returns to # 401.

Subsequently, in # 423, the system controller 120 controls the CCD drive circuit 113 via the timing generation circuit 114 to set the CCD 106 to the clear mode. Then, the process proceeds to # 424, and if it is determined that the rotation of the spindle motor 115 is stabilized and recording on the video floppy 116 is possible, the process proceeds to # 425. On the other hand, if the rotation of the spindle motor 115 is unstable and recording is not possible, the process waits at # 424 until the rotation is stabilized.

In # 425, the system controller 120 checks the timing of the PG and enters a sequence for preparing for recording in the next PG.

Then, proceeding to # 426, the system controller 120
The lens shutter 102 via the lens shutter drive circuit 112
Is driven to set to the small aperture position.

Subsequently, in # 427, the system controller 120
Is connected to the built-in discharge lamp 1 via the discharge lamp interface 119.
Start / stop 18 flashes. At this time, the discharge lamp light enters the optical path C of the NP adapter 200, and enters the condenser lens 2
After passing through the mirror 06, the light is reflected by the reflection mirrors 204 and 203, and irradiates the film 202. Then, the light passes through the lens 201, passes through the optical low-pass filter 101, the lens shutter 102, the lens 103, and the infrared cut filter 104, is exposed to the CCD 106, and is accumulated.

Next, in # 428, the timing generation circuit 114
The read operation of the CCD 106 is started via the CCD drive circuit 113. In step # 429, the video signal read from the CCD 106 is supplied to the sample / hold circuit 107, the process circuit 108, the negative / positive circuit 109, the modulation / demodulation circuit 110, the recording / reproducing amplifier.
111, recording is performed on the video floppy 116 via the recording / reproducing head 117 (# 421).

Next, a case where a light source is present in the negative-positive adapter will be described with reference to FIG.

At # 404 in FIG. 3, since the light source presence / absence switch (131 in FIG. 2) in the negative / positive adapter is in an off (open) state, the negative / positive adapter 200 (second # 4) because it is connected to
Go to 05. In step # 405, the operation of charging and emitting the built-in discharge lamp 123 is prohibited. In step # 406, the state of the negative / positive changeover switch 204 is checked. If the state is negative, the process proceeds to step # 408.
System controller 116 (FIG. 2) (equivalent to FIG. 1 120)
Sets the negative-positive circuit 109 to the negative mode.

On the other hand, in the case of positive in # 406, the process proceeds to # 407, and the negative / positive circuit 109 is similarly set to the positive mode.

Then, at # 409, when the ON operation of SW2 126 is detected, the system controller 116 proceeds to # 415, and the spindle motor 1 is driven by the spindle motor drive circuit 121 via the disk drive (D / D) interface 117.
Start driving 20. On the other hand, in # 409, SW2 126
If the ON operation of is not detected, the process returns to # 401.

Next, in # 416, the system controller 116 controls the CCD drive circuit 112 via the timing generation circuit 113 to set the CCD 106 in the clear mode.

Then, the process proceeds to # 417, and if it is determined that the rotation of the spindle motor 120 is stable and recording on the video floppy 119 is possible, the process proceeds to # 418. On the other hand, the spindle motor 119
If the rotation is unstable and recording is not possible, wait at # 417 until the rotation is stabilized. In # 415, the system controller 116 checks the timing of the PG, and enters a sequence for preparing for recording in the next PG.

Next, in # 419, the system controller 116 drives the lens shutter 102 via the lens shutter drive circuit 112 to perform exposure on the CCD 106.

Then, in # 420, the timing generation circuit 113 enters a read operation of the CCD 106 via the CCD drive circuit 112. In step # 421, the video signal read from the CCD 106 is supplied to the sample / hold circuit 107, the process circuit 108, the negative / positive circuit 109, the modulation / demodulation circuit 110, and the recording / reproducing amplifier.
Recording is performed on the video floppy 119 via the recording / reproducing head 118 and 114.

In the above embodiment, a camera with a built-in discharge lamp has been described. However, an external discharge lamp (300 in FIG. 1) may be used as a light source for a negative-positive adapter.

〔The invention's effect〕

As described above, according to the present invention, it is automatically determined whether or not the flash discharge lamp on the camera side should emit light in accordance with the type of the adapter combined with the camera, and the operability is improved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a still video image recording apparatus in the case where there is no light source in a negative-positive adapter according to one embodiment of the present invention;
FIG. 2 is a block diagram showing a case where a light source is provided in the negative-positive adapter of this embodiment, FIG. 3 is a flowchart for controlling the operation of this embodiment, and FIG. Configuration diagram of video image recording apparatus, fifth
FIG. 1 is a configuration diagram of a still video image recording apparatus when a light source is not provided in a conventional negative / positive adapter. A: photoelectric conversion means B: first close-up means C: optical path D: second close-up means E: third close-up means F: light source detecting means 100: still video camera 200: negative / positive adapter 300 ... External discharge lamp 101 ... Optical low-pass filter 102 ... Lens shutter 103 ... Lens 106 ... CCD 107 ... Sample / hold circuit 108 ... Process circuit 109 ... Negative / positive circuit 111 ... Recording / reproducing amplifier 112 ... ... Lens shutter drive circuit 113 ... CCD drive circuit 114 ... Timing generation circuit 115 ... Spindle motor 116 ... Floppy disk 118 ... Discharge lamp built-in camera 119 ... Discharge lamp interface 120 ... System controller 121 ... Disk drive Interface 123 External discharge lamp terminal 124 Main interface 125 SW1 126 SW2 127 Light source presence / absence switch 201 Lenses 202 ... Films 203,204 ... Irradiation light reflecting mirrors 205,206 ... Condensing lenses Note that the same reference numerals in the drawings denote the same or corresponding parts.

Claims (2)

(57) [Claims] 1. A film photographing apparatus for photographing a photographing area of a photographic film size by combining a camera having a flash lamp and photoelectric conversion means and an adapter for irradiating a film, wherein the cameras are combined. Detecting means for detecting whether the adapter is a first adapter having an optical path for illuminating the imaging range with the flash discharge lamp or a second adapter having a light source for illuminating the imaging range therein; A film photographing apparatus, comprising: prohibiting means for prohibiting emission of the flash discharge lamp when the detecting means detects that the combined adapter is the second adapter. 2. A camera which has a flash discharge lamp and photoelectric conversion means and captures a photographing area of a photographic film size by being combined with an adapter for irradiating a film, wherein the combined adapter is the flash discharge lamp. Detecting means for detecting whether the first adapter has an optical path for irradiating the imaging range or a second adapter having a light source for irradiating the imaging range; and an adapter combined by the detecting means Prohibiting means for prohibiting light emission of the flash discharge lamp when it is detected that the adapter is the second adapter.