DE2747450C2 - - Google Patents

Info

Publication number
DE2747450C2
DE2747450C2 DE19772747450 DE2747450A DE2747450C2 DE 2747450 C2 DE2747450 C2 DE 2747450C2 DE 19772747450 DE19772747450 DE 19772747450 DE 2747450 A DE2747450 A DE 2747450A DE 2747450 C2 DE2747450 C2 DE 2747450C2
Authority
DE
Germany
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.)
Expired
Application number
DE19772747450
Other versions
DE2747450A1 (de
Inventor
Robert Centerport N.Y. Us Treiber
Joseph Mountain View Calif. Us Pernyeszi
Daniel John San Jose Calif. Us Weaver
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.)
J Schlenker-Grusen 7730 Villingen-Schwenningen De GmbH
Original Assignee
J Schlenker-Grusen 7730 Villingen-Schwenningen De GmbH
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 to US05/734,694 priority Critical patent/US4101072A/en
Application filed by J Schlenker-Grusen 7730 Villingen-Schwenningen De GmbH filed Critical J Schlenker-Grusen 7730 Villingen-Schwenningen De GmbH
Publication of DE2747450A1 publication Critical patent/DE2747450A1/de
Application granted granted Critical
Publication of DE2747450C2 publication Critical patent/DE2747450C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00Other aspects
    • G06K2207/1018Source control
DE19772747450 1976-10-21 1977-10-21 Expired DE2747450C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/734,694 US4101072A (en) 1976-10-21 1976-10-21 Data-gathering device for scanning data having a variable amplitude modulation and signal to noise ratio

Publications (2)

Publication Number Publication Date
DE2747450A1 DE2747450A1 (de) 1978-04-27
DE2747450C2 true DE2747450C2 (de) 1985-08-22

Family

ID=24952721

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772747450 Expired DE2747450C2 (de) 1976-10-21 1977-10-21

Country Status (3)

Country Link
US (1) US4101072A (de)
JP (1) JPS5431249A (de)
DE (1) DE2747450C2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816325A1 (de) * 1978-04-14 1979-10-18 Computer Ges Konstanz Einrichtung zum abtasten von mustern mit einer geregelten lichtquelle
US4240064A (en) * 1978-09-11 1980-12-16 Ncr Corporation Power limiting circuit for bar code reader
US4293927A (en) * 1979-12-12 1981-10-06 Casio Computer Co., Ltd. Power consumption control system for electronic digital data processing devices
JPS588381A (en) * 1981-07-07 1983-01-18 Nippon Denso Co Ltd Bar code reader
EP0074485A3 (de) * 1981-09-14 1984-03-28 Maria Grazia Riaviz Optische stabförmige Abtaster
US6234395B1 (en) 1981-12-28 2001-05-22 Intermec Ip Corp. Instant portable bar code reader
US4673805A (en) * 1982-01-25 1987-06-16 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable scanning head for reading bar code symbols
US5130520A (en) * 1982-01-25 1992-07-14 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols
US5262628A (en) * 1982-01-25 1993-11-16 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols
US4471218B1 (de) * 1982-05-19 1989-08-01
DE3238690A1 (de) * 1982-10-19 1984-04-19 Siemens Ag Verfahren und anordnung zur auswertung von amplitudenaenderungen im ausgangssignal eines optischen sensors
US4525713A (en) * 1983-03-01 1985-06-25 Lockheed Electronics Co., Inc. Electronic tag identification system
FR2565746A1 (fr) * 1984-06-06 1985-12-13 Sud Sa Systemes Procede et dispositif de traitement d'un signal electrique analogique et application a la lecture de codes a barres
KR870700160A (ko) * 1985-01-18 1987-03-14 오오가 노리오 광 카드 판독장치
US4721849A (en) * 1985-10-02 1988-01-26 Videx, Inc. Portable programmable optical code reader
US4621189A (en) * 1985-10-08 1986-11-04 Telxon Corporation Hand held data entry apparatus
GB2183070A (en) * 1985-11-19 1987-05-28 Snipe Computers Limited Bar-code reader
US4841132A (en) * 1986-07-21 1989-06-20 Matsushita Electric Industrial Co., Ltd. Program recording scheduling apparatus using an optical reader
US6149062A (en) * 1988-01-14 2000-11-21 Intermec Ip Corp. Interface with hand-held data capture terminal, proximity and label sensing, and enhanced sensitivity and power efficiency
US5468947A (en) * 1986-08-08 1995-11-21 Norand Corporation Pocket size data capture unit with processor and shell modules
US5059778A (en) * 1986-09-29 1991-10-22 Mars Incorporated Portable data scanner apparatus
US4727245A (en) * 1986-10-14 1988-02-23 Mars, Inc. Portable data scanner with removable modular printer
US4766297A (en) * 1987-01-08 1988-08-23 Recognition Equipment Incorporated Dual mode stationary and portable scanning system
GB8724723D0 (en) * 1987-10-22 1987-11-25 Zengrange Ltd Data collection
JPH0546113Y2 (de) * 1989-03-20 1993-12-01
US5142684A (en) * 1989-06-23 1992-08-25 Hand Held Products, Inc. Power conservation in microprocessor controlled devices
US5260553A (en) * 1990-09-17 1993-11-09 Metrologic Instruments, Inc. Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the same
GB2251508A (en) * 1991-01-03 1992-07-08 Nat Res Dev Variable threshold apparatus
DE4117847A1 (de) * 1991-05-31 1992-12-03 Lre Relais & Elektronik Gmbh Verfahren zum auswerten binaerer informationen
US5811828A (en) * 1991-09-17 1998-09-22 Norand Corporation Portable reader system having an adjustable optical focusing means for reading optical information over a substantial range of distances
AT190414T (de) * 1991-12-23 2000-03-15 Symbol Technologies Inc Laserstrahlabtaster
CA2062106C (en) * 1991-12-23 2002-08-20 Gregg Marwin Object sensing system for bar code laser scanners
WO1993021600A2 (en) * 1992-04-17 1993-10-28 Spectra-Physics Scanning Systems, Inc. Ultra-compact bar-code scanner
US5461223A (en) * 1992-10-09 1995-10-24 Eastman Kodak Company Bar code detecting circuitry
US5502297A (en) * 1992-10-22 1996-03-26 Intermec Corporation Method and apparatus for detecting the presence of a surface bearing a bar code symbol
US5550362A (en) * 1992-11-20 1996-08-27 Intermec Corporation Method and apparatus for calibrating a bar code scanner
US5591955A (en) * 1993-05-11 1997-01-07 Laser; Vadim Portable data file readers
FI98414C (fi) * 1994-03-25 1997-06-10 Harri Olavi Vaarala Menetelmä ja väline pysyvän viivakoodin lukemiseksi
US5873070A (en) * 1995-06-07 1999-02-16 Norand Corporation Data collection system
US5945656A (en) * 1997-05-27 1999-08-31 Lemelson; Jerome H. Apparatus and method for stand-alone scanning and audio generation from printed material
US6584434B1 (en) * 2000-04-24 2003-06-24 General Electric Company Method for data filtering and anomoly detection
JP6366704B2 (ja) 2013-06-24 2018-08-01 ディーシージー システムズ、 インコーポレイテッドDcg Systems Inc. 局所的な試料の特性によって制御されるプロービングの適応モードを備えたプロービングを利用したデータ収集システム
US9057740B1 (en) 2013-12-16 2015-06-16 Dcg Systems, Inc. Probe-based data collection system with adaptive mode of probing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909594A (en) * 1973-12-26 1975-09-30 Interface Mechanisms Inc Circuit for establishing a reference voltage in bar code readers
US3949233A (en) * 1974-08-15 1976-04-06 Pitney-Bowes, Inc. Hand held bar code reader with constant linear amplifier output
SE399602B (sv) * 1974-10-25 1978-02-20 Id Kort Ab Identitets-, behorighets- eller kontrollhandling

Also Published As

Publication number Publication date
DE2747450A1 (de) 1978-04-27
US4101072A (en) 1978-07-18
JPS5431249A (en) 1979-03-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: J. SCHLENKER-GRUSEN GMBH, 7730 VILLINGEN-SCHWENNIN

8172 Supplementary division/partition in:

Ref country code: DE

Ref document number: 2760237

Format of ref document f/p: P

Q171 Divided out to:

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D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation