CA1017863A - Hand-held bar code scanner - Google Patents
Hand-held bar code scannerInfo
- Publication number
- CA1017863A CA1017863A CA164,256A CA164256A CA1017863A CA 1017863 A CA1017863 A CA 1017863A CA 164256 A CA164256 A CA 164256A CA 1017863 A CA1017863 A CA 1017863A
- Authority
- CA
- Canada
- Prior art keywords
- hand
- bar code
- code scanner
- held bar
- held
- Prior art date
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/01—Details
- G06K7/016—Synchronisation of sensing process
- G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Controlling Sheets Or Webs (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2208309A DE2208309C3 (de) | 1972-02-22 | 1972-02-22 | Verfahren zur Auswertung von Informationen in Form gruppenweise zusammengefaßter Informationselemente aus einfarbig gedruckten Strichen, Anordnung zur Darstellung von Informationen zur Auswertung nach dem Verfahren und Schaltungsanordnung zur Durchführung des Verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1017863A true CA1017863A (en) | 1977-09-20 |
Family
ID=5836721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA164,256A Expired CA1017863A (en) | 1972-02-22 | 1973-02-21 | Hand-held bar code scanner |
Country Status (11)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5837597B2 (ja) * | 1973-09-20 | 1983-08-17 | モナ−ク マ−キング システムズ インコ−ポレ−テツド | ハバヘンチヨウボウジヨウコ−ドソウサソウチヨウ ノ カイリヨウデ−タケンサク オヨビ エラ−ケンシユツカイロ |
| JPS5535747B2 (US20050192411A1-20050901-C00001.png) * | 1974-01-31 | 1980-09-16 | ||
| JPS5250632A (en) * | 1975-10-21 | 1977-04-22 | Matsushita Electric Ind Co Ltd | Optical symbol reading device |
| JPS6010351B2 (ja) * | 1976-01-28 | 1985-03-16 | 株式会社デンソー | バ−コ−ド読取装置 |
| JPS5331920A (en) * | 1976-09-06 | 1978-03-25 | Nippon Denso Co Ltd | Bar code reader |
| US4121121A (en) * | 1977-09-13 | 1978-10-17 | Computer Identics Corporation | Follower response control circuit |
| FR2435871A1 (fr) * | 1978-09-08 | 1980-04-04 | Thomson Csf | Dispositif a seuil permettant de distinguer le blanc du noir sur un document, et emetteur de telecopie comportant un tel dispositif |
| DE2910795C2 (de) * | 1979-03-19 | 1984-01-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Vorrichtung zur Erkennung von in Spuren angeordneten strichcodierten Informationen |
| US4293814A (en) * | 1979-08-08 | 1981-10-06 | Ford Motor Company | Crankshaft position sensor circuitry for providing stable cyclical output signals without regard to peak to peak variations in sensor signals |
| US4323772A (en) * | 1980-03-06 | 1982-04-06 | R. J. Reynolds Tobacco Company | Bar code reader system |
| US4268172A (en) * | 1980-04-15 | 1981-05-19 | Western Electric Company, Inc. | Method of and system for automatically adjusting a threshold level of a pulse generating circuit to inspect a web |
| US4818886A (en) * | 1986-11-12 | 1989-04-04 | Quential, Inc. | Method and apparatus for self-referencing and self-focusing a bar-code reader |
| US4831275A (en) * | 1986-11-12 | 1989-05-16 | Quential, Inc. | Method and means for self-referencing and self-focusing a bar-code reader |
| GB8803504D0 (en) * | 1988-02-16 | 1988-03-16 | Mr Sensors Ltd | Method of decoding recorded data |
| US5073700A (en) * | 1990-01-10 | 1991-12-17 | Gtech Corporation | Mark sense detector with variable threshold |
| US5708261A (en) * | 1995-10-02 | 1998-01-13 | Pitney Bowes Inc. | Bar code decoding with speed compensation |
| GB0302273D0 (en) * | 2003-01-31 | 2003-03-05 | Neopost Ltd | Optical sensor and item handling apparatus |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3303469A (en) * | 1960-07-01 | 1967-02-07 | Olivetti & Co Spa | Method and apparatus for reading characters |
| NL127547C (US20050192411A1-20050901-C00001.png) * | 1960-07-26 | |||
| US3354432A (en) * | 1962-02-23 | 1967-11-21 | Sperry Rand Corp | Document reading system |
| FR1375037A (fr) * | 1963-05-30 | 1964-10-16 | Bull Sa Machines | Perfectionnements aux systèmes de reconnaissance de caractères imprimés |
| US3562494A (en) * | 1967-11-24 | 1971-02-09 | Fmc Corp | Code detecting and control circuit for sorting articles |
| US3671722A (en) * | 1969-06-30 | 1972-06-20 | Ncr Co | Transition code recognition system |
| US3744026A (en) * | 1970-06-10 | 1973-07-03 | Identicon Corp | Optical label scanning |
| US3714397A (en) * | 1970-11-12 | 1973-01-30 | Gte Information Syst Inc | Information processing system |
| US3701886A (en) * | 1970-12-30 | 1972-10-31 | Ibm | Method of representing data codes with equal width bar and device for reading same |
| US3745354A (en) * | 1971-04-23 | 1973-07-10 | American Cyanamid Co | Detector for reading bar codes on moving articles and having improved signal-to-noise ratio |
| US3761725A (en) * | 1971-12-30 | 1973-09-25 | Texas Instruments Inc | Automatic tire identifier with threshold setting proportional to the received signals |
-
1972
- 1972-02-22 DE DE2208309A patent/DE2208309C3/de not_active Expired
-
1973
- 1973-02-14 GB GB727673A patent/GB1428456A/en not_active Expired
- 1973-02-20 SE SE7302368A patent/SE399970B/xx unknown
- 1973-02-21 AT AT154073A patent/AT328000B/de not_active IP Right Cessation
- 1973-02-21 CA CA164,256A patent/CA1017863A/en not_active Expired
- 1973-02-21 NL NL7302395.A patent/NL165862C/xx not_active IP Right Cessation
- 1973-02-21 CH CH245173A patent/CH570658A5/xx not_active IP Right Cessation
- 1973-02-21 IT IT7320672A patent/IT987014B/it active
- 1973-02-22 JP JP2078973A patent/JPS543573B2/ja not_active Expired
- 1973-02-22 US US334643A patent/US3927303A/en not_active Expired - Lifetime
- 1973-02-22 US US00334644A patent/US3846623A/en not_active Expired - Lifetime
- 1973-02-22 FR FR7306285A patent/FR2173589A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL165862C (nl) | 1981-05-15 |
| GB1428456A (en) | 1976-03-17 |
| NL7302395A (US20050192411A1-20050901-C00001.png) | 1973-08-24 |
| DE2208309A1 (de) | 1973-09-13 |
| DE2208309B2 (de) | 1975-02-13 |
| US3846623A (en) | 1974-11-05 |
| JPS543573B2 (US20050192411A1-20050901-C00001.png) | 1979-02-24 |
| DE2208309C3 (de) | 1975-09-18 |
| ATA154073A (de) | 1975-05-15 |
| FR2173589A5 (US20050192411A1-20050901-C00001.png) | 1973-10-05 |
| JPS4898725A (US20050192411A1-20050901-C00001.png) | 1973-12-14 |
| US3927303A (en) | 1975-12-16 |
| NL165862B (nl) | 1980-12-15 |
| SE399970B (sv) | 1978-03-06 |
| CH570658A5 (US20050192411A1-20050901-C00001.png) | 1975-12-15 |
| IT987014B (it) | 1975-02-20 |
| AT328000B (de) | 1976-02-25 |
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