Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberDE2431781 B2
Publication typeApplication
Application numberDE19742431781
Publication date13 May 1976
Filing date2 Jul 1974
Priority date3 Jul 1973
Also published asDE2431781A1, DE2431781C3, US3953730
Publication number19742431781, 742431781, DE 2431781 B2, DE 2431781B2, DE-B2-2431781, DE19742431781, DE2431781 B2, DE2431781B2, DE742431781
Export CitationBiBTeX, EndNote, RefMan
External Links: DPMA, Espacenet
Optischer lesekopf Optical read head translated from German
DE 2431781 B2
Abstract  available in
Description  available in
Claims  available in
International ClassificationB07C3/14, G02B27/00, G06K7/12, G06K7/10
Cooperative ClassificationG06K7/10762, B07C3/14
European ClassificationB07C3/14, G06K7/10S4M
Legal Events
4 Mar 1982C3Grant after two publication steps (3rd publication)
21 Apr 19838328Change in the person/name/address of the agent
11 Jul 19858339Ceased/non-payment of the annual fee