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Class Information
Number: 346/2
Name: Recorders > Angle measurement recorder for optical instruments
Description: Recorders forming part of a sextant, theodolite or other optical angle measuring device to record the observed angle.

Patents under this class:

Patent Number Title Of Patent Date Issued
5212741 Preprocessing of dot-matrix/ink-jet printed text for Optical Character Recognition May. 18, 1993
5188033 Direct-to-press imaging system for use in lithographic printing Feb. 23, 1993
5181521 Portable electronic instrument and method Jan. 26, 1993
5126754 Ink jet printing density controller with programmable angle of travel look-up tables for a plotter Jun. 30, 1992
5121131 Instant high contrast imaging system Jun. 9, 1992
4920422 Processes and automatic devices for high-resolution writing on a support by projecting drops of colored liquids Apr. 24, 1990
4797687 Patterning effects with fluid jet applicator Jan. 10, 1989
4731639 Microfilm pickup camera with marking means for screened originals Mar. 15, 1988
4688049 Continuous ink jet printing Aug. 18, 1987
4665600 Automatic device for processing a product May. 19, 1987
4534313 Marking apparatus Aug. 13, 1985
4503437 Ink jet color-coding method for leads Mar. 5, 1985
4433338 Multiple-color recording apparatus Feb. 21, 1984
4377741 Apparatus for producing updated information on a tangible medium Mar. 22, 1983
4254643 Dot printer Mar. 10, 1981
4234214 Document carrying a legible code, and method and apparatus for producing same Nov. 18, 1980
4168533 Microcomputerized miniature postage meter Sep. 18, 1979
4136346 Recorder pen with ink jet writing device Jan. 23, 1979
4062020 Circuit arrangement for the frequency analysis of a signal Dec. 6, 1977
3983578 Ticket information recording and web parting mechanism Sep. 28, 1976
3968769 Apparatus for balancing rotors Jul. 13, 1976

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