Patents in Class 377/83

Matches 1 - 49 out of 49

Match	Document	Document Title
1	3700973	RELAY COUNTING CIRCUIT A relay circuit responsive to input impulses, represented by the closings and openings of a push button switch, wherein the relay circuit includes at least two relay windings and contacts and...
2	3686483	MEMORY AND COUNTING DEVICE This invention relates to an electric relay circuit arrangement for counting a pre-selected number of copies to be made in an automatic copying machine and to store the number of copies made so...
3	3660643	SHIFT REGISTER CIRCUIT Shift register circuits in which each register stage comprises a magnetic lutch relay and a capacitor adapted to be coupled to a movable contact of said relay through a double-throw transfer...
4	3609387	REFERENCE VOLTAGE-SWITCHING UNIT A reference voltage-switching unit comprising a dual DC voltage power supply which provides +V DC and -V DC voltages across three of its output terminals, one of which is assumed to be at ground....
5	3566196	SEQUENTIAL COUNT CIRCUIT WITH READOUT The invention relates to a sequential counting circuit permitting a single-pole, multiposition wiper arm in each decade counter to function (1) as switching logic for the carryover pulse in...
6	3544772	ELECTRIC BISTABLE CIRCUITS
7	3492540	PULSE COUNTING CIRCUIT WITH SELF CHECKING FACILITIES
8	3450954	COUNTING DEVICE
9	3400256	Counting device
10	3387186	Relay counting chain
11	3379863	Reed switch circuits
12	3376428	Dry-switching relay binary logic apparatus
13	3355577	Electromechanical counting chain arrangement
14	3348204	High-speed all-relay pulse counter
15	3329831	Electronic ring circuit comprising plurality of first and second switching means driven by overlapping a.c. waveforms
16	3327178	Counting circuit using bistable relays
17	3327177	Counting circuit
18	3312942	Magnetically controlled switching circuits
19	3278810	Relay switching circuit utilizing an enabling voltage source
20	3275896	Sequential counting circuit using differentially operated realays
21	3244942	Bistable relay circuit
22	3229168	Counting apparatus
23	3210528	Binary coded ternary computer system
24	3200392	Counting circuit for counting cell railures in a rectifier system
25	3191152	Magnetic ferreed counting circuit
26	3189794	Relay binary circuit
27	3189795	Bidirectional binary counter system
28	3168655	Pulse averaging device
29	3160794	Sequence counter
30	3108206	Relay circuit
31	3076918	Reversing counting chain
32	3028084	Reversible counting relay chain
33	3025433	Relay binary counter
34	3017542	Binary counting arrangements
35	2954511	Driver circuit for reversible counting chains
36	2942159	Counters
37	2935658	Self-stepping reversible relay chain
38	2930526	Relay impulse counter
39	2921738	Polynomial multiplier
40	2920249	Impulse counting device
41	2917680	Arrangements for actuating electric relays in sequence
42	2914710	Ring counter
43	2909712	Fast-acting electromagnetic counting device
44	2901169	Variable radix counter
45	2896129	Relay chains comprising magnetic counting or storing relays
46	2886239	Check symbol computer
47	2883588	Bi-directional chain of counting relays
48	2844317	Impulse counting circuit
49	2814003	Binary numeration pulse counter

Matches 1 - 49 out of 49