FR2056227A5 - - Google Patents

Info

Publication number: FR2056227A5
Authority: FR; France
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

FR7020081A

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.)

International Business Machines Corp

Original Assignee

International Business Machines Corp

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.)

1969-07-15

Filing date

1970-06-02

Publication date

1971-05-14

1970-06-02 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1971-05-14 Application granted granted Critical

1971-05-14 Publication of FR2056227A5 publication Critical patent/FR2056227A5/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
General Physics & Mathematics (AREA)
Multimedia (AREA)
Mathematical Physics (AREA)
Software Systems (AREA)
Computer Hardware Design (AREA)
Signal Processing (AREA)
Facsimile Scanning Arrangements (AREA)
Image Input (AREA)
Facsimile Image Signal Circuits (AREA)
Manipulation Of Pulses (AREA)

FR7020081A 1969-07-15 1970-06-02 Expired FR2056227A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US84182369A	1969-07-15	1969-07-15

Publications (1)

Publication Number	Publication Date
FR2056227A5 true FR2056227A5 (fr)	1971-05-14

Family

ID=25285768

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7020081A Expired FR2056227A5 (fr)	1969-07-15	1970-06-02

Country Status (6)

Country	Link
US (1)	US3626092A (fr)
JP (1)	JPS4932616B1 (fr)
DE (1)	DE2029627C3 (fr)
FR (1)	FR2056227A5 (fr)
GB (1)	GB1255759A (fr)
SE (1)	SE375869B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3935540A (en) *	1971-03-08	1976-01-27	International Business Machines Corporation	D.C. coupled impedance reducing circuit
GB1435696A (en) *	1972-09-01	1976-05-12	Kodak Ltd	Amplifier circuits
JPS5058945A (fr) *	1973-09-25	1975-05-22
US4150402A (en) *	1977-04-07	1979-04-17	Xerox Corporation	Method and apparatus for reducing the effect of laser noise in a scanning laser read system
JPS54132131A (en) *	1978-04-05	1979-10-13	Sumitomo Electric Ind Ltd	Optical information reading device
US4246606A (en) *	1979-04-17	1981-01-20	Hajime Industries Ltd.	Inspection apparatus
US4516174A (en) *	1980-03-10	1985-05-07	Ricoh Company, Ltd.	Video signal regulating apparatus
DE3527301A1 (de) *	1984-07-31	1986-02-13	Canon K.K., Tokio/Tokyo	Bildleseeinrichtung
DE3585478D1 (de) *	1984-09-12	1992-04-09	Fuji Photo Film Co Ltd	Abtastlesevorrichtung mit kompensationsmittel gegen abtastgeschwindigkeitsschwankungen und verfahren zum justieren des korrektionskoeffizienten.
JPH0738002B2 (ja) *	1986-08-19	1995-04-26	パイオニア株式会社	デイジタルレベル表示装置
DE3629422C2 (de) *	1986-08-29	1994-02-17	Agfa Gevaert Ag	Verfahren und Vorrichtung zum Einstellen von Belichtungsgrößen an einem Kopiergerät
DE3740017A1 (de) *	1987-11-26	1989-06-08	Bielomatik Leuze & Co	Schaltungsanordnung zum erfassen von markierungen
US5134276A (en) *	1990-10-09	1992-07-28	International Business Machines Corporation	Noise cancelling circuitry for optical systems with signal dividing and combining means
DE4334712A1 (de) *	1993-10-12	1995-04-13	Heidelberger Druckmasch Ag	Reproduktionssystem

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3037129A (en) *	1960-10-05	1962-05-29	Bel Clarence J Le	Broad-band logarithmic translating apparatus utilizing threshold capacitive circuit to compensate for inherent inductance of logarithmic impedance
US3058057A (en) *	1960-12-16	1962-10-09	Bell Telephone Labor Inc	Ionization manometer circuit
US3196208A (en) *	1962-01-24	1965-07-20	Philco Corp	Two-level quantization system
US3322893A (en) *	1963-12-11	1967-05-30	Xerox Corp	Background scanning system for facsimile communication
US3310688A (en) *	1964-05-07	1967-03-21	Rca Corp	Electrical circuits
US3379826A (en) *	1965-05-05	1968-04-23	Sylvania Electric Prod	Video processing system providing correction for changes in the light source intensity and for light fluctuations due to different page reflectivities

1969
- 1969-07-15 US US841823A patent/US3626092A/en not_active Expired - Lifetime
1970
- 1970-06-02 FR FR7020081A patent/FR2056227A5/fr not_active Expired
- 1970-06-16 DE DE2029627A patent/DE2029627C3/de not_active Expired
- 1970-06-16 GB GB29115/70A patent/GB1255759A/en not_active Expired
- 1970-07-02 JP JP45057375A patent/JPS4932616B1/ja active Pending
- 1970-07-15 SE SE7009840A patent/SE375869B/xx unknown

Also Published As

Publication number	Publication date
SE375869B (fr)	1975-04-28
DE2029627B2 (de)	1980-02-14
JPS4932616B1 (fr)	1974-08-31
DE2029627A1 (de)	1972-02-17
DE2029627C3 (de)	1980-10-09
US3626092A (en)	1971-12-07
GB1255759A (en)	1971-12-01

Publication	Publication Date	Title
CS149924B2 (fr)	1973-08-23
AU465452B2 (fr)	1975-09-11
FR2056227A5 (fr)	1971-05-14
AU5461069A (fr)	1970-11-12
CS149920B2 (fr)	1973-08-23
AU5712069A (fr)	1971-01-07
CS153080B2 (fr)	1974-02-22
AU5113869A (fr)	1971-04-29
AU428131B2 (fr)	1972-09-14
AU470661B1 (fr)	1970-10-05
AU428129B2 (fr)	1972-09-12
CS153206B1 (fr)	1974-02-25
AU4923469A (fr)	1970-07-23
AU4949169A (fr)	1970-07-30
CS151548B2 (fr)	1973-10-19
AU5077469A (fr)	1970-08-27
AU5079269A (fr)	1971-07-01
CS152491B2 (fr)	1973-12-19
AU5133369A (fr)	1971-05-06
AU5228269A (fr)	1970-09-24
AU5397469A (fr)	1970-10-29
AU5598769A (fr)	1970-12-10
BE739307A (fr)	1970-03-02
BE732422A (fr)	1969-10-16
BE733429A (fr)	1969-11-21

Legal Events

Date	Code	Title	Description
1989-04-21	ST	Notification of lapse