Patent US3840875A successfully refreshed from Google Patents.
US3840875A
Expired / Lapsed
US
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Radiant energy matrix and system
Assignee: Individual
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Filing: 1973-08-23
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Granted: 1974-10-08
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Expires: 1993-08-23
Abstract
Abstract A physically spaced array of antenna transducers, such as inductors, are interconnected as a direct access matrix and sequentially switched into connection with a signal processing means. The switching is accomplished by a plurality of gates controlled by a clock operated delay line type shift register synchronized by suitable frequency dividers. Preferably, each antenna transducer is alternately connected first to a transmitter for radiating radiant energy and then to a receiver for sensing reflected radiant energy.
Inventors
- 👤 J Neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:12
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/03; G01S7/034
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
42 words
A radiant energy apparatus for connection to a signal processing means comprising: a. a physically spaced array of antennae interconnected as a direct access matrix; and b. a switching means for sequentially connecting each of said antennae to said signal processing means.
Claim 2
Dependent Claim
42 words
A radiant energy apparatus for connection to a signal processing means comprising: a. a physically spaced array of antennae interconnected as a direct access matrix; and b. a switching means for sequentially connecting each of said antennae to said signal processing means.
Claim 3
Dependent Claim
30 words
An apparatus according to claim 1 wherein a clock pulse means is connected to said switching means for generating a series of control pulses for control of said switching means.
Claim 4
Dependent Claim
38 words
An apparatus according to claim 2 wherein said signal processing means comprises a transmitter and a receiver and wherein said switching means includes means for alternatively connecting each of said antennae to said transmitter and to said receiver.
Claim 5
Dependent Claim
25 words
An apparatus according to claim 2 wherein said antennae are electromagnetic transducers electrically interconnected as a two dimensional matrix having two series of connecting terminals.
Claim 6
Dependent Claim
95 words
An apparatus according to claim 4 wherein said switching means comprises (a) a plurality of gate means each gate means having a control input and including a gate means for gating signals between each of said terminals and said signal processing means and (b) a pair of pulse shift register means each having an input connected to receive pulses from said clock pulse means and a plurality of outputs connected to the control inputs of the gate means connected to a different one of said series of said connecting terminals for sequentially opening said gates.
Claim 7
Dependent Claim
60 words
An apparatus according to claim 5 wherein pulse divider means is interposed between said clock pulse means and said shift register means for applying one pulse to one of said shift register means and in the same time interval applying a number of pulses to the other shift register means equal to the number of said connecting terminals associated therewith.
Claim 8
Dependent Claim
36 words
An apparatus according to claim 6 wherein said signal processing means comprises a transmitter and a receiver and wherein said switching means includes means for alternatively connecting said antennae to said transmitter and to said receiver.
Claim 9
Dependent Claim
63 words
An apparatus according to claim 7 wherein a further pulse divider means is interposed between said clock pulse means and said alternatively switching means and wherein said pulse divider means are selectively designed for sequentially connecting each of said transducers to said alternatively connecting switch means which operates at a rate at least twice the rate that said transducer means are sequentially switched.
Claim 10
Dependent Claim
17 words
An apparatus according to claim 8 wherein each of said shift register means comprises a delay line.
Claim 11
Dependent Claim
14 words
An apparatus according to claim 8 wherein said array comprises a plurality of inductors.
Claim 12
Dependent Claim
31 words
An apparatus according to claim 7 wherein said clock pulse means is connected operate as said transmitter, having said control pulses at times applied to said inductors for generating electromagnetic radiation.
Claim 13
Dependent Claim
55 words
An apparatus according to claim 11 wherein said alternatively switching means switches at a rate one tenth of the clock pulse rate; wherein one of said shift register means is pulsed at a rate 1/100 the clock pulse rate; and the other shift register means is pulsed at a rate 1/1000 the clock pulse rate.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |