John Alexander Copeland III

Person

Watchung, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optically coupled integrated circuit array
- Patent number 4,533,833
- Issue date Aug 6, 1985
- AT&T Bell Laboratories
- John A. Copeland
- G02 - OPTICS
Information Patent Grant
Spectrally stabilized laser
- Patent number 4,450,565
- Issue date May 22, 1984
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayered optical integrated circuit
- Patent number 4,438,447
- Issue date Mar 20, 1984
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- G02 - OPTICS
Information Patent Grant
High sensitivity photon feedback photodetectors
- Patent number 4,399,448
- Issue date Aug 16, 1983
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mode stabilized semiconductor laser
- Patent number 4,305,048
- Issue date Dec 8, 1981
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Trap doped laser combined with photodetector
- Patent number 4,300,107
- Issue date Nov 10, 1981
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Discriminator threshold level control circuit for a digital transmi...
- Patent number 4,271,536
- Issue date Jun 2, 1981
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor overload protection structure
- Patent number 4,189,739
- Issue date Feb 19, 1980
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Unidirectional optical device and regenerator
- Patent number 4,152,713
- Issue date May 1, 1979
- Bell Telephone Laboratories, Incorporated
- John A. Copeland
- G02 - OPTICS
Information Patent Grant
Functionally static type semiconductor shift register with half dyn...
- Patent number 3,993,916
- Issue date Nov 23, 1976
- Bell Telephone Laboratories, Incorporated
- John Alexander Copeland
- G11 - INFORMATION STORAGE
Information Patent Grant
Voltage maintenance apparatus
- Patent number 3,982,141
- Issue date Sep 21, 1976
- Bell Telephone Laboratories, Incorporated
- John Alexander Copeland
- G11 - INFORMATION STORAGE

John Alexander Copeland III

Person

Patents Grantslast 30 patents

Optically coupled integrated circuit array

Spectrally stabilized laser

Multilayered optical integrated circuit

High sensitivity photon feedback photodetectors

Mode stabilized semiconductor laser

Trap doped laser combined with photodetector

Discriminator threshold level control circuit for a digital transmi...

Semiconductor overload protection structure

Unidirectional optical device and regenerator

Functionally static type semiconductor shift register with half dyn...

Voltage maintenance apparatus