Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP55153121ApriorityCriticalpatent/JPS5776457A/ja
Publication of JPS5776457ApublicationCriticalpatent/JPS5776457A/ja
Publication of JPS6129034B2publicationCriticalpatent/JPS6129034B2/ja
G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Conveying Record Carriers
(AREA)
Character Input
(AREA)
Control Of Velocity Or Acceleration
(AREA)
JP55153121A1980-10-311980-10-31Measuring device for card conveying speed
GrantedJPS5776457A
(en)