THIN-TYPE SWITCHBOARD

A thin-type switchboard having a plurality of reed switches each of which is adapted to be operated when subjected to a magnetic field, said reed switches being disposed substantially in a single plane beneath an operating surface. A separate manually positionable permanent magnet operates selected...

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Bibliographische Detailangaben
1. Verfasser:	GOTO M,JA
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTEDMECHANICALLY DISPLAY EDUCATION ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SWITCHES ELECTRICITY ELECTROMECHANICAL CLOCKS OR WATCHES EMERGENCY PROTECTIVE DEVICES FREQUENCY-CHANGING HOROLOGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RELAYS SEALS SELECTORS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A thin-type switchboard having a plurality of reed switches each of which is adapted to be operated when subjected to a magnetic field, said reed switches being disposed substantially in a single plane beneath an operating surface. A separate manually positionable permanent magnet operates selected ones of said reed switches when positioned in registration therewith adjacent said operating surface.