GB1511934A – Flash and camera device
– Google Patents
GB1511934A – Flash and camera device
– Google Patents
Flash and camera device
Info
Publication number
GB1511934A
GB1511934A
GB14854/76A
GB1485476A
GB1511934A
GB 1511934 A
GB1511934 A
GB 1511934A
GB 14854/76 A
GB14854/76 A
GB 14854/76A
GB 1485476 A
GB1485476 A
GB 1485476A
GB 1511934 A
GB1511934 A
GB 1511934A
Authority
GB
United Kingdom
Prior art keywords
tube
bridged
contacts
switch
capacitor
Prior art date
1975-04-17
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB14854/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
West Electric Co Ltd
Original Assignee
West Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1975-04-17
Filing date
1976-04-12
Publication date
1978-05-24
1976-04-12
Application filed by West Electric Co Ltd
filed
Critical
West Electric Co Ltd
1978-05-24
Publication of GB1511934A
publication
Critical
patent/GB1511934A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B15/00—Special procedures for taking photographs; Apparatus therefor
G03B15/02—Illuminating scene
G03B15/03—Combinations of cameras with lighting apparatus; Flash units
G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
G—PHYSICS
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B2215/00—Special procedures for taking photographs; Apparatus therefor
G03B2215/05—Combinations of cameras with electronic flash units
G03B2215/0503—Built-in units
Abstract
1511934 Camera with electronic flash WEST ELECTRIC CO Ltd 12 April 1976 [17 April 1975] 14854/76 Heading G2A A camera has an electronic flash circuit and a selector switch 1 which: (a) in a first position turns off the flash circuit and sets an aperture appropriate to a daylight exposure (b) in a second position turns on the circuit and sets an aperture appropriate to close subjects (c) in a third position turns on the circuit and sets an aperture appropriate to distant subjects. Preferably a neon tube 63 indicates which mode has been selected and whether the flash supply capacitor 56 is fully charged. The tube 63 is visible in the view-finder and is also externally visible via a prism (37), Fig. 3 (not shown). In the embodiment described, the same aperture is set in modes (a) and (b). As shown, (a) in the first position, shown in Fig. 6A, a diaphragm opening 7 is operative, switch contacts A and B are bridged to disconnect battery 54 and switch contacts A’ and B’ are bridged to short out indicator tube 63 (b) in the second position of the switch 1, the switch slider 19 is moved to the right. Diaphragm opening 7 is still operative, but contacts B and C are bridged to connect in battery 54 and contacts B’ and C’ are bridged to connect in tube 63. When capacitor 56 is charged tube 63 is turned on (c) in the third position of the switch 1, the slider 19 is moved further to the right. This pivots the diaphragm vane 6 out of the exposure path to provide a larger exposure aperture. Contacts C and D are bridged to connect in battery 54 and contacts C’ and D’ are bridged to connect a capacitor 64 in parallel with tube 63. When capacitor 56 is charged, capacitor 64 repeatedly charges through a resistor 62 and discharges through tube 63, causing tube 63 to flash.
GB14854/76A
1975-04-17
1976-04-12
Flash and camera device
Expired
GB1511934A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP50047129A
JPS51122431A
(en)
1975-04-17
1975-04-17
Flash camera device
Publications (1)
Publication Number
Publication Date
GB1511934A
true
GB1511934A
(en)
1978-05-24
Family
ID=12766520
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB14854/76A
Expired
GB1511934A
(en)
1975-04-17
1976-04-12
Flash and camera device
Country Status (6)
Country
Link
US
(1)
US4083058A
(en)
JP
(1)
JPS51122431A
(en)
CA
(1)
CA1047818A
(en)
DE
(1)
DE2616735B2
(en)
FR
(1)
FR2308121A1
(en)
GB
(1)
GB1511934A
(en)
Families Citing this family (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4213681A
(en)
*
1977-04-19
1980-07-22
West Electric Co., Ltd.
Flash camera
JPS5454029A
(en)
*
1977-10-06
1979-04-27
Canon Inc
Light varying strobo camera of program type
JPS54149840U
(en)
*
1978-04-10
1979-10-18
DE2841650C2
(en)
*
1978-09-25
1984-08-30
Agfa-Gevaert Ag, 5090 Leverkusen
Adjustment device in a photographic camera
US4812872A
(en)
*
1988-01-13
1989-03-14
Eastman Kodak Company
Smart flash control system for cameras
US4801960A
(en)
*
1988-01-14
1989-01-31
Eastman Kodak Company
Mode selector member and finger recess in a camera
US4772910A
(en)
*
1988-01-19
1988-09-20
Eastman Kodak Company
Full/fill flash control system for cameras
Family Cites Families (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2998548A
(en)
*
1956-07-21
1961-08-29
Girard Jean Rene Marie
Voltage generators for flash lamps
DE1226412B
(en)
*
1964-11-11
1966-10-06
Voigtlaender Ag
Photographic camera with flashlight and aperture that can be adjusted from the distance adjuster according to guide numbers
US3259043A
(en)
*
1965-01-22
1966-07-05
Eastman Kodak Co
Flash bulb indicator for photographic camera
US3374718A
(en)
*
1965-03-04
1968-03-26
Eastman Kodak Co
Low light and flash indicator for cameras
DE1246390B
(en)
*
1965-03-12
1967-08-03
Zeiss Ikon Ag
Camera with attachable flash unit
US3526179A
(en)
*
1966-06-20
1970-09-01
Canon Kk
Camera having an indicating means for flash photography
DE2251756C3
(en)
*
1972-10-21
1978-07-27
Rollei-Werke Franke & Heidecke, 3300 Braunschweig
Electronic flash unit
JPS4980244U
(en)
*
1972-10-26
1974-07-11
JPS5640810B2
(en)
*
1973-06-19
1981-09-24
DE2403279B2
(en)
*
1974-01-24
1978-02-09
Kodak Ag, 7000 Stuttgart
PHOTOGRAPHIC CAMERA
1975
1975-04-17
JP
JP50047129A
patent/JPS51122431A/en
active
Pending
1976
1976-04-12
US
US05/675,756
patent/US4083058A/en
not_active
Expired – Lifetime
1976-04-12
GB
GB14854/76A
patent/GB1511934A/en
not_active
Expired
1976-04-15
DE
DE2616735A
patent/DE2616735B2/en
not_active
Ceased
1976-04-15
CA
CA250,354A
patent/CA1047818A/en
not_active
Expired
1976-04-16
FR
FR7611350A
patent/FR2308121A1/en
active
Granted
Also Published As
Publication number
Publication date
DE2616735A1
(en)
1976-10-28
FR2308121B1
(en)
1980-08-29
DE2616735B2
(en)
1978-08-10
JPS51122431A
(en)
1976-10-26
US4083058A
(en)
1978-04-04
CA1047818A
(en)
1979-02-06
FR2308121A1
(en)
1976-11-12
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Legal Events
Date
Code
Title
Description
1978-10-04
PS
Patent sealed [section 19, patents act 1949]
1993-12-08
PCNP
Patent ceased through non-payment of renewal fee
Effective date:
19930412
