Edwin K. Shenk

Person

Westford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Programmable dual-phase digital motor control with sliding proporti...
- Patent number 5,774,626
- Issue date Jun 30, 1998
- Polaroid Corporation
- Edwin K. Shenk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Nut assembly using partial nuts to limit harmonic error
- Patent number 5,676,019
- Issue date Oct 14, 1997
- Polaroid Corporation
- Edwin K. Shenk
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
True zoom capability on a spot scanning electronic printer
- Patent number 5,526,255
- Issue date Jun 11, 1996
- Polaroid Corporation
- Edwin K. Shenk
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compensated phase locked loop for generating a controlled output cl...
- Patent number 5,483,202
- Issue date Jan 9, 1996
- Polaroid Corporation
- Edwin K. Shenk
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System for providing continous linear interpolation
- Patent number 4,894,794
- Issue date Jan 16, 1990
- Polaroid Corporation
- Edwin K. Shenk
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Contrast control circuit
- Patent number 4,663,667
- Issue date May 5, 1987
- Polaroid Corporation
- Edwin K. Shenk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Extended sonic acceptance angle
- Patent number 4,531,822
- Issue date Jul 30, 1985
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Sonic autofocus camera having variable sonic beamwidth
- Patent number 4,490,814
- Issue date Dec 25, 1984
- Polaroid Corporation
- Edwin K. Shenk
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sonic autofocus camera having variable sonic beamwidth
- Patent number 4,440,482
- Issue date Apr 3, 1984
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Autofocus movie camera having pulsed terminal drive means
- Patent number RE31362
- Issue date Aug 30, 1983
- Polaroid Corporation
- Edwin K. Shenk
- 352 - Optics: motion pictures
Information Patent Grant
Dual burst, wide range sonar system
- Patent number 4,396,268
- Issue date Aug 2, 1983
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Automatic focusing camera
- Patent number RE31219
- Issue date Apr 26, 1983
- Polaroid Corporation
- Edwin K. Shenk
- 354 -
Information Patent Grant
Lens movement actuated reference and sequencing means for cameras h...
- Patent number 4,348,089
- Issue date Sep 7, 1982
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Camera employing zone focusing
- Patent number 4,336,987
- Issue date Jun 29, 1982
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Strobe camera having range correlated scanning blade endoding
- Patent number 4,317,624
- Issue date Mar 2, 1982
- Polaroid Corporation
- Edwin K. Shenk
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Autofocus cine camera having automatic variable speed focusing
- Patent number 4,309,098
- Issue date Jan 5, 1982
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Auto-focus movie camera
- Patent number 4,294,531
- Issue date Oct 13, 1981
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Autofocus movie camera having improved focus response
- Patent number 4,239,354
- Issue date Dec 16, 1980
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Autofocus movie camera having pulsed terminal drive means
- Patent number 4,238,143
- Issue date Dec 9, 1980
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Camera having too close/too far indication
- Patent number 4,238,154
- Issue date Dec 9, 1980
- Polaroid Corporation
- Conrad H. Biber
- G02 - OPTICS
Information Patent Grant
Auto/manual focus control mode selector
- Patent number 4,227,790
- Issue date Oct 14, 1980
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Automatic focusing camera with lens jam sensor control
- Patent number 4,200,378
- Issue date Apr 29, 1980
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Automatic focusing camera
- Patent number 4,199,244
- Issue date Apr 22, 1980
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Focus control system for interchangeable adjustable focus lenses
- Patent number 4,182,563
- Issue date Jan 8, 1980
- Polaroid Corporation
- Conrad H. Biber
- G02 - OPTICS
Information Patent Grant
Autofocus movie camera having focus correction means
- Patent number 4,178,087
- Issue date Dec 11, 1979
- Polaroid Corporation
- Edwin K. Shenk
- G02 - OPTICS
Information Patent Grant
Exposure control system with fill flash race condition
- Patent number 4,023,187
- Issue date May 10, 1977
- Polaroid Corporation
- Edwin K. Shenk
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control system with braking capability
- Patent number 4,017,873
- Issue date Apr 12, 1977
- Polaroid Corporation
- Edwin K. Shenk
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Edwin K. Shenk

Person

Patents Grantslast 30 patents

Programmable dual-phase digital motor control with sliding proporti...

Nut assembly using partial nuts to limit harmonic error

True zoom capability on a spot scanning electronic printer

Compensated phase locked loop for generating a controlled output cl...

System for providing continous linear interpolation

Contrast control circuit

Extended sonic acceptance angle

Sonic autofocus camera having variable sonic beamwidth

Sonic autofocus camera having variable sonic beamwidth

Autofocus movie camera having pulsed terminal drive means

Dual burst, wide range sonar system

Automatic focusing camera

Lens movement actuated reference and sequencing means for cameras h...

Camera employing zone focusing

Strobe camera having range correlated scanning blade endoding

Autofocus cine camera having automatic variable speed focusing

Auto-focus movie camera

Autofocus movie camera having improved focus response

Autofocus movie camera having pulsed terminal drive means

Camera having too close/too far indication

Auto/manual focus control mode selector

Automatic focusing camera with lens jam sensor control

Automatic focusing camera

Focus control system for interchangeable adjustable focus lenses

Autofocus movie camera having focus correction means

Exposure control system with fill flash race condition

Exposure control system with braking capability