FR2277497A3 - Printed circuit interface for a calculator - has metallised connexion holes and connexion areas - Google Patents

Printed circuit interface for a calculator - has metallised connexion holes and connexion areas

Info

Publication number
FR2277497A3
FR2277497A3 FR7423587A FR7423587A FR2277497A3 FR 2277497 A3 FR2277497 A3 FR 2277497A3 FR 7423587 A FR7423587 A FR 7423587A FR 7423587 A FR7423587 A FR 7423587A FR 2277497 A3 FR2277497 A3 FR 2277497A3
Authority
FR
France
Prior art keywords
connexion
calculator
metallised
printed circuit
holes
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.)
Withdrawn
Application number
FR7423587A
Other languages
French (fr)
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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
Application filed by Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of FR2277497A3 publication Critical patent/FR2277497A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • H05K1/0287—Programmable, customizable or modifiable circuits having an universal lay-out, e.g. pad or land grid patterns or mesh patterns
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10621—Components characterised by their electrical contacts
    • H05K2201/10689—Leaded Integrated Circuit [IC] package, e.g. dual-in-line [DIL]

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

Printed circuit interface for digital calculator, designed for the connection of other interface circuits with the signals entering or leaving the calculator. The interface has metallised connection holes and members for connections with other interface circuits or circuit components.
FR7423587A 1973-07-03 1974-07-02 Printed circuit interface for a calculator - has metallised connexion holes and connexion areas Withdrawn FR2277497A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE801869 1973-07-03

Publications (1)

Publication Number Publication Date
FR2277497A3 true FR2277497A3 (en) 1976-01-30

Family

ID=3860879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423587A Withdrawn FR2277497A3 (en) 1973-07-03 1974-07-02 Printed circuit interface for a calculator - has metallised connexion holes and connexion areas

Country Status (1)

Country Link
FR (1) FR2277497A3 (en)

Similar Documents

Publication Publication Date Title
CA931285A (en) Plated through hole printed circuit boards
CA978658A (en) Molded printed circuits and method
CA989315A (en) Multiplexing connection between a key board and an integrated circuit device
IL46133A0 (en) D.c.signal receiving circuit arrangements
FR2277497A3 (en) Printed circuit interface for a calculator - has metallised connexion holes and connexion areas
CA939831A (en) Plated through hole printed circuit boards
FR2277496A3 (en) Printed circuit interface for a calculator - has metallised connexion holes and connexion areas
JPS51129160A (en) Phase sychronize circuit
CA949656A (en) D.c. coupled impedance reducing circuit
CA896109A (en) Electronic circuit arrangements, more especially concerned with integrated circuits, having at least one bistable multivibrator
AU5999669A (en) Improved plated through hole printed circuit boards
HK27082A (en) Circuit board assembly,e.g.for use in an electronic timepiece
JPS5290240A (en) Mounting of logic circuit
JPS5247613A (en) Erroneous operation preventing circuit in transmission system of dc da ta
AU451343B2 (en) Electronic circuit arrangements, more especially concerned with integrated circuits, having at leaston one bistable multivibrator
CA1015426A (en) Low noise electronic circuit, transducer using the same, and method
JPS5232205A (en) Circuit connecting equipment
JPS5213351A (en) Signal transfer unit
FR2236399A7 (en) Digital calculator interface circuit - amplifies and/or filters analogue calculator input signals
CA915095A (en) D.c. telegraphy signal converter circuits
JPS53139968A (en) A-d convertor
JPS52126109A (en) Line signal watch circuit
AU1540570A (en) Electronic circuit arrangements, more especially concerned with integrated circuits, having at leaston one bistable multivibrator
JPS52115151A (en) Electronic circuit
AU6213369A (en) Improved plated through hole printed circuit boards

Legal Events

Date Code Title Description
ST Notification of lapse