On tape reference and command signals

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Patents Grantslast 30 patents

Information Patent Grant
Random access control apparatus and method for slide projector
- Patent number 4,470,675
- Issue date Sep 11, 1984
- Bell & Howell Company
- Dominic J. Di Gianfilippo
- G05 - CONTROLLING REGULATING
Information Patent Grant
Slide projector control apparatus
- Patent number 4,452,518
- Issue date Jun 5, 1984
- Bell & Howell Company
- Dominic J. Di Gianfilippo
- G05 - CONTROLLING REGULATING
Information Patent Grant
3589078
- Patent number 3,589,078
- Issue date Jun 29, 1971
- G05 - CONTROLLING REGULATING
Information Patent Grant
3515964
- Patent number 3,515,964
- Issue date Jun 2, 1970
- G05 - CONTROLLING REGULATING
Information Patent Grant
3457480
- Patent number 3,457,480
- Issue date Jul 22, 1969
- G05 - CONTROLLING REGULATING
Information Patent Grant
3453511
- Patent number 3,453,511
- Issue date Jul 1, 1969
- G05 - CONTROLLING REGULATING
Information Patent Grant
2980838
- Patent number 2,980,838
- Issue date Apr 18, 1961
- G05 - CONTROLLING REGULATING
Information Patent Grant
2943251
- Patent number 2,943,251
- Issue date Jun 28, 1960
- G05 - CONTROLLING REGULATING