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1. (WO1989000360) PROGRAMMABLE SWITCHING TRANSISTOR CIRCUIT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1989/000360 International Application No.: PCT/AU1988/000235
Publication Date: 12.01.1989 International Filing Date: 01.07.1988
Chapter 2 Demand Filed: 13.02.1989
IPC:
H02P 7/03 (2016.01) ,H03K 17/30 (2006.01) ,H03K 3/282 (2006.01)
[IPC code unknown for H02P 7/03]
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
K
PULSE TECHNIQUE
17
Electronic switching or gating, i.e. not by contact-making and -breaking
30
Modifications for providing a predetermined threshold before switching
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
K
PULSE TECHNIQUE
3
Circuits for generating electric pulses; Monostable, bistable or multistable circuits
02
Generators characterised by the type of circuit or by the means used for producing pulses
26
by the use, as active elements, of bipolar transistors with internal or external positive feedback
28
using means other than a transformer for feedback
281
using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
282
astable
Applicants:
JOSEPH, Beresford, Clair [AU/AU]; AU
Inventors:
JOSEPH, Beresford, Clair; AU
Agent:
COWIE, CARTER & HENDY; 71 Queens Road Melbourne, VIC 3004, AU
Priority Data:
PI 288303.07.1987AU
Title (EN) PROGRAMMABLE SWITCHING TRANSISTOR CIRCUIT
(FR) CIRCUIT A TRANSISTORS DE COMMUTATION PROGRAMMABLES
Abstract:
(EN) A programmable switching transistor circuit has at least one pair of semi-conductor devices (12, 14) of opposite types, e.g., pnp and npn types, interconnected with the gate terminal of the first device (12) connected to the anode terminal of the second device (14). The cathode terminal of the first device (12) is connected to a control terminal (G). A voltage dependant switch (15), such as a zenner diode, is connected between the control terminal (G) and the gate terminal of the second device whereby the circuit becomes voltage controlled for "on" and "off" switching in accordance with external circuit parameters and the voltage value of the switch (15).
(FR) Circuit à transistors de commutation programmables doté d'au moins une paire de dispositifs (12, 14) semi-conducteurs de types opposés, par exemple de types pnp et npn, interconnectés avec la borne de gâchette du premier dispositif (2). La borne de cathode du premier dispositif (12) est connectée à une borne (G) de commande. Un commutateur (15) réagissant à la tension, tel qu'une diode Zener, est connecté entre la borne (G) de commande et la borne de gâchette du second dispositif, grâce à quoi le circuit devient commandé en tension pour commutation en circuit et hors circuit, en fonction de paramètres de circuit externes et de la valeur de la tension du commutateur (15).
Designated States: AT, AU, BB, BG, BR, CH, DE, DK, FI, GB, HU, JP, KP, KR, LK, LU, MC, MG, MW, NL, NO, RO, SD, SE, SU, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
African Intellectual Property Organization (BJ, CF, CG, CM, GA, ML, MR, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
AU1988020704