ATE26355T1 - CONTROL CIRCUIT FOR CONTROLLING THE LIGHT SOURCE IN AN OPTICAL DISK MEMORY. - Google Patents

CONTROL CIRCUIT FOR CONTROLLING THE LIGHT SOURCE IN AN OPTICAL DISK MEMORY.

Info

Publication number
ATE26355T1
ATE26355T1 AT82112090T AT82112090T ATE26355T1 AT E26355 T1 ATE26355 T1 AT E26355T1 AT 82112090 T AT82112090 T AT 82112090T AT 82112090 T AT82112090 T AT 82112090T AT E26355 T1 ATE26355 T1 AT E26355T1
Authority
AT
Austria
Prior art keywords
controlling
light source
control circuit
optical disk
disk memory
Prior art date
Application number
AT82112090T
Other languages
German (de)
Inventor
Wasao Takasugi
Original Assignee
Hitachi Ltd
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
Priority claimed from JP57000337A external-priority patent/JPS58118042A/en
Priority claimed from JP57042756A external-priority patent/JPS58161156A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority claimed from EP82112090A external-priority patent/EP0083452B1/en
Application granted granted Critical
Publication of ATE26355T1 publication Critical patent/ATE26355T1/en

Links

AT82112090T 1982-01-06 1982-12-29 CONTROL CIRCUIT FOR CONTROLLING THE LIGHT SOURCE IN AN OPTICAL DISK MEMORY. ATE26355T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP57000337A JPS58118042A (en) 1982-01-06 1982-01-06 optical disk device
JP57042756A JPS58161156A (en) 1982-03-19 1982-03-19 optical disk device
EP82112090A EP0083452B1 (en) 1982-01-06 1982-12-29 Control circuit for controlling light source in optical disc device

Publications (1)

Publication Number Publication Date
ATE26355T1 true ATE26355T1 (en) 1987-04-15

Family

ID=27225744

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82112090T ATE26355T1 (en) 1982-01-06 1982-12-29 CONTROL CIRCUIT FOR CONTROLLING THE LIGHT SOURCE IN AN OPTICAL DISK MEMORY.

Country Status (1)

Country Link
AT (1) ATE26355T1 (en)

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties