GB1371887A - Photographic flash apparatus - Google Patents

Photographic flash apparatus

Info

Publication number
GB1371887A
GB1371887A GB1874573A GB1874573A GB1371887A GB 1371887 A GB1371887 A GB 1371887A GB 1874573 A GB1874573 A GB 1874573A GB 1874573 A GB1874573 A GB 1874573A GB 1371887 A GB1371887 A GB 1371887A
Authority
GB
United Kingdom
Prior art keywords
flash
circuit
firing
lamp
signal
Prior art date
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
GB1874573A
Other languages
English (en)
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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.)
Filing date
Publication date
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of GB1371887A publication Critical patent/GB1371887A/en
Expired legal-status Critical Current

Links

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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452—Electrical ignition means connected to the shutter
    • G03B15/0468—Ignition mechanisms permitting choice of multiple ignition modes; Adaptors for different modes
    • 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
    • G03B2215/0514—Separate unit
    • G03B2215/056—Connection with camera, e.g. adapter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
GB1874573A 1972-04-24 1973-04-18 Photographic flash apparatus Expired GB1371887A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24670672A 1972-04-24 1972-04-24
US00329371A US3858227A (en) 1972-04-24 1973-02-05 Adapter apparatus for flash firing system

Publications (1)

Publication Number Publication Date
GB1371887A true GB1371887A (en) 1974-10-30

Family

ID=26938163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1874573A Expired GB1371887A (en) 1972-04-24 1973-04-18 Photographic flash apparatus

Country Status (6)

Country Link
US (1) US3858227A (enrdf_load_stackoverflow)
JP (1) JPS6052411B2 (enrdf_load_stackoverflow)
CA (1) CA1003256A (enrdf_load_stackoverflow)
DE (1) DE2319746C2 (enrdf_load_stackoverflow)
FR (1) FR2182493A5 (enrdf_load_stackoverflow)
GB (1) GB1371887A (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223336A (en) * 1975-08-15 1977-02-22 Toshiba Corp Adapter
US4025933A (en) * 1975-11-03 1977-05-24 Acme-Lite Manufacturing Co. Multiple adapter plug for instamatic-type cameras
US4040069A (en) * 1976-04-08 1977-08-02 Polaroid Corporation Fixed time delay circuit for quench strobe
US4058818A (en) * 1976-04-08 1977-11-15 Polaroid Corporation Fixed time delay quench strobe
US4064519A (en) * 1976-08-02 1977-12-20 Polaroid Corporation Regulated strobe for camera with sixth flash inhibit
US4185905A (en) * 1978-04-03 1980-01-29 Polaroid Corporation Dual purpose flash/strobe socket assembly for a photographic camera
US4182561A (en) * 1978-08-03 1980-01-08 Polaroid Corporation Fast charging electronic flash device
US4184756A (en) * 1978-10-13 1980-01-22 Polaroid Corporation Strobe without primary storage capacitor
US4291964A (en) * 1980-01-28 1981-09-29 Polaroid Corporation Strobe switch with camera control feature
US4401375A (en) * 1981-10-26 1983-08-30 Senour Stephen D Flash adapter for folding camera
US4748462A (en) * 1984-12-13 1988-05-31 Canon Kabushiki Kaisha Starting arrangement for flash device
US4804985A (en) * 1988-01-25 1989-02-14 Eastman Kodak Company Polarity insensitive electronic flash driver circuit
JPH03157067A (ja) * 1989-11-01 1991-07-05 Yuzo Tsuruta ビデオカメラ照明用スイッチング装置
US5243894A (en) * 1992-06-05 1993-09-14 Minovitch Michael Andrew Light gun
US5883471A (en) * 1997-06-20 1999-03-16 Polycom, Inc. Flashlamp pulse shaper and method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740339A (en) * 1951-06-06 1956-04-03 Melville J Carter Photo-flash unit
DE1246390B (de) * 1965-03-12 1967-08-03 Zeiss Ikon Ag Kamera mit ansetzbarem Blitzlichtgeraet
US3369149A (en) * 1966-11-10 1968-02-13 Peerless Instr Company Ignition timing light with a saturated core transformer for plural voltage inputs
US3559548A (en) * 1967-06-19 1971-02-02 Perfect Film & Chem Corp Time-delay means for rechargeable stroboscopic flash attachment
US3559549A (en) * 1968-01-22 1971-02-02 Perfect Film & Chem Corp Rechargeable flash attachment
US3521540A (en) * 1968-08-26 1970-07-21 William C Cavallo Electronic flash unit for cameras adapted to receive flashcubes
US3699861A (en) * 1969-07-24 1972-10-24 Polaroid Corp Flash synchronization circuit for sequential firing of an array of flashbulbs
US3618492A (en) * 1969-10-30 1971-11-09 Polaroid Corp Flash photographic system
DE2018033B2 (de) * 1970-04-15 1974-02-21 General Electric Co., Schenectady, N.Y. (V.St.A.) Schaltung zum sequentiellen Blitzen von Blitzlampen
NL7016114A (enrdf_load_stackoverflow) * 1970-11-04 1972-05-08
US3676045A (en) * 1971-01-25 1972-07-11 Gen Electric Sequencing static electronic flashing circuits for photoflash lamp array

Also Published As

Publication number Publication date
JPS4955328A (enrdf_load_stackoverflow) 1974-05-29
CA1003256A (en) 1977-01-11
DE2319746A1 (de) 1973-11-15
DE2319746C2 (de) 1982-11-25
US3858227A (en) 1974-12-31
JPS6052411B2 (ja) 1985-11-19
FR2182493A5 (enrdf_load_stackoverflow) 1973-12-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee