Exposure control mechanism for a photographic camera

Claim 2

Exposure control apparatus for a photographic camera comprising: a. a photographIc shutter having opening shutter blade means movable from a first position to a second position for initiating exposure, and closing shutter blade means for terminating exposure; b. means for detachable mounting and retaining a flashlamp assembly having a plurality of flashlamps; and c. indexing means responsive to operation of said closing shutter blade means for moving said mounted flashlamp assembly and sequentially advancing the flashlamps from a predetermined operative position to another position.

Claim 3

Exposure control apparatus according to claim 1 further comprising means interconnecting said indexing means to said shutter for operating the indexing means in response to operation of said shutter.

Claim 4

Exposure control apparatus for a photographic camera comprising: a. shutter means movable from an initial position to a terminal position for initiating and terminating an exposure interval; b. means for returning said shutter means from said terminal position to said initial position subsequent to said exposure interval termination; c. means for detachably mounting and retaining a flash lamp assembly having a plurality of flash lamps; and d. indexing means responsive to said shutter means movement to terminate a said exposure interval and to said shutter means return movement toward said initial position for sequentially advancing said flash lamps to a predetermined operative position.

Claim 5

Exposure control apparatus for a photographic camera comprising: a. shutter means movable from an initial position to a terminal position for initiating and terminating an exposure interval; b. means for returning said shutter means from said terminal position to said initial position subsequent to said exposure interval termination; c. means for detachably mounting and retaining a flash lamp assembly having a plurality of flash lamps; and d. indexing means responsive to said shutter means movement to terminate a said exposure interval and to said shutter means return movement toward said initial position for sequentially advancing said flash lamps to a predetermined operative position.

Claim 6

An exposure control mechanism for a photographic camera having an aperture through which light is admitted to produce a photographic exposure comprising: a. first shutter blade means movable from an initial position to a final position to initiate exposure through said aperture; b. second shutter blade means movable from an initial position to a final position for terminating exposure through said aperture; c. means for detachably mounting and retaining a flash lamp assembly having a plurality of flash lamps; d. escapement means operable to move the mounted flash lamp assembly and sequentially advance the flash lamps to a predetermined operative position; e. synchronization switch means operable in timed relationship to the release of said first shutter blade means for completing an electrical circuit through the flash lamp mounted in said predetermined operative position; and f. an escapement operator extending into the path of movement of said second shutter blade means for operating said escapement means in response to movement of said second shutter blade means.

Claim 7

An exposure control mechanism for a photographic camera having an aperture through which light is admitted to produce a photographic exposure comprising: a. first shutter blade means movable from an initial position to a final position to initiate exposure through said aperture; b. second shutter blade means movable from an initial position to a final position for terminating exposure through said aperture; c. means for detachably mounting and retaining a flash lamp assembly having a plurality of flash lamps; d. escapement means operable to move the mounted flash lamp assembly and sequentially advance the flash lamps to a predetermined operative position; e. synchronization switch means operable in timed relationship to the release of said first shutter blade means for completing an electrical circuit through the flash lamp mounted in said predetermined operative position; and f. an escapement operator extending into the path of movement of said second shutter blade means for operating said escapement means in response to movement of said second shutter blade means.

Claim 8

An exposure control mechanism according to claim 4 wherein said escapement means is operable to move one of said flash lamps away from said predetermined position and another of said flash lamps toward said predetermined position in response to movement of said section shutter blade means from its initial position toward its final position.

Claim 9

An exposure control mechanism according to claim 4 further comprising means for returning said first and second shutter blade means to their respective initial positions subsequent to termination of exposure wherein said escapement means is operable to move one of said flash lamps from said predetermined position in response to movement of said second shutter blade means from its initial position toward its final position and to move another lamp into said predetermined position in response to return movement of said said second blade means from its final position toward its initial position.

Claim 10

Exposure control apparatus for photographic camera comprising: a. shutter means operable to unblock an exposure aperture to initiate an exposure interval and to block said exposure aperture to terminate said exposure interval; b. socket means for detachable receiving a multilamp photoflash assembly; c. a photoflash circuit, in which a selected one lamp of said assembly is located, for igniting said one lamp in timed relationship to aperture unblocking operation of saId shutter means; and d. means responsive to aperture blocking operation of said shutter means for sequentially advancing said socket means to place successive other lamps of said assembly in said photoflash circuit.

Claim 11

Exposure control apparatus for photographic camera comprising: a. shutter means operable to unblock an exposure aperture to initiate an exposure interval and to block said exposure aperture to terminate said exposure interval; b. socket means for detachable receiving a multilamp photoflash assembly; c. a photoflash circuit, in which a selected one lamp of said assembly is located, for igniting said one lamp in timed relationship to aperture unblocking operation of saId shutter means; and d. means responsive to aperture blocking operation of said shutter means for sequentially advancing said socket means to place successive other lamps of said assembly in said photoflash circuit.

Claim 12

Exposure control apparatus according to claim 7 wherein said socket means is rotatably mounted and said means for sequentially advancing said socket means comprises: a. a rotatably mounted escapement wheel; b. means for biasing said escapement wheel for rotary movement; and c. pallet means movable in response to aperture blocking operation of said shutter means for permitting controlled rotary movement of said escapement wheel under the influence of said biasing means for rotating said socket means.

Claim 13

Exposure control apparatus according to claim 8 wherein said pallet means is reciprocally movable and comprises means engageable with said escapement wheel biasing means, said pallet means being movable in one direction in response to aperture blocking movement of said shutter means, said escapement wheel biasing means being effective to bias said pallet means for movement in the direction opposite said one direction.

Claim 14

Exposure control apparatus for a photographic camera comprising: a. an exposure aperture; b. shutter blade means mounted for unblocking and blocking movement relative to said aperture; c. rotatable socket means for detachably receiving an assembly containing a plurality of photoflash lamps; d. a photoflash circuit; e. indexing means for rotating said socket means to direct said lamps toward a scene to be photographed one at a time, in succession, and to locate the lamp directed toward said scene in said photoflash circuit for ignition in timed relationship to aperture unblocking movement of said shutter blade means; and f. means for operating said indexing means in response to aperture blocking movement of said shutter blade means.

Claim 15

Exposure control apparatus for a photographic camera comprising: a. an exposure aperture; b. shutter blade means mounted for unblocking and blocking movement relative to said aperture; c. rotatable socket means for detachably receiving an assembly containing a plurality of photoflash lamps; d. a photoflash circuit; e. indexing means for rotating said socket means to direct said lamps toward a scene to be photographed one at a time, in succession, and to locate the lamp directed toward said scene in said photoflash circuit for ignition in timed relationship to aperture unblocking movement of said shutter blade means; and f. means for operating said indexing means in response to aperture blocking movement of said shutter blade means.

Claim 16

Exposure control apparatus according to claim 10 wherein said indexing means comprises: a. a rotatably mounted escapement wheel; b. means interconnecting said escapement wheel to said socket means for preventing relative rotation between said socket means and said escapement wheel; c. means for biasing said escapement wheel and socket means for rotary movement; and d. pallet means movable by said operating means in response to aperture blocking movement of said shutter blade means for permitting operative rotation of said escapement wheel and socket means under the influence of said biasing means.

Claim 17

Exposure control apparatus according to claim 11 wherein said pallet means is reciprocally movable and said means for operating said indexing means moves said pallet means in one direction, further comprising means interconnecting said pallet means and said escapement wheel biasing means, said escapement wheel biasing means biasing said pallet means for movement in the direction opposite said one direction.

Claim 18

Exposure control apparatus for a photographic camera comprising: a. shutter means movable from an initial position to a final position for producing a photographic exposure; b. means for moving said shutter means from said final position to said initial position subsequent to each photographic exposure; c. means for detachably mounting and retaining a flash lamp assembly having a plurality of flash lamps; and d. indexing means for moving said mounted flash lamp assembly and operative to advance one flash lamp from a predetermined operative position in response to exposure producing movement of said shutter means and to advance another flash lamp to said predetermined operative position in response to movement of said shutter means from said final position to said initial position.

Claim 19

Exposure control apparatus for a photographic camera comprising: a. shutter means movable from an initial position to a final position for producing a photographic exposure; b. means for moving said shutter means from said final position to said initial position subsequent to each photographic exposure; c. means for detachably mounting and retaining a flash lamp assembly having a plurality of flash lamps; and d. indexing means for moving said mounted flash lamp assembly and operative to advance one flash lamp from a predetermined operative position in response to exposure producing movement of said shutter means and to advance another flash lamp to said predetermined operative position in response to movement of said shutter means from said final position to said initial position.