Patent US3873960A successfully refreshed from Google Patents.
US3873960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vermin chasing and controlling
Assignee: Individual
•
Filing: 1973-05-29
•
Granted: 1975-03-25
•
Expires: 1993-05-29
Abstract
Abstract A vermin chasing and controlling system has a power supply which steps down and rectifies available line voltage and supplies the voltage to an oscillator which produces an ultrasonic frequency of approximately 17.5 kHz and to one or more parallel amplifiers which are connected to the oscillator. Output transformers connect the amplifiers to multiple speaker heads which are connected according to the size, layout and operation characteristics of the space to be controlled against vermin infestation. Secondaries of the output transformers have multiple taps, one of which is selected by a selector switch according to the number of speaker heads on ouput lines. An indicator circuit having a neon lamp and ballast resistor connected in series is connected to an intermediate tap and one end of the secondary for indicating malfunctions of the amplifier, oscillator or speaker heads. A plurality of speaker heads, usually from six to fifteen, are connected in series to the secondary of the output transformer. Each head has a ballast resistor and neon lamp connected parallel to the speaker head for indicating malfunction of the particular speaker head. A push button on the oscillator couples a capacitor in parallel to an oscillator capacitor for reducing the frequency to an audible frequency for tests of the system.
Inventors
- 👤 Sr Ronald E Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:13
CPC Classifications
A; A01; A01M; A01M29/00; A01M29/16; A01M29/18; A01G; A01G13/00; A01G13/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
108 words
A vermin chasing and control ultrasonic wave generating system comprising a power source, an oscillator connected to the power source, an amplifier connected to the oscillator and to the power source, an output transformer having a primary connected to the amplifier and having a secondary, a plurality of output taps connected to the secondary at successively greater distances from the first end of the secondary, a multiple pole switch having an indexing pole connected to a second output line and having multiple poles connected severally to multiple taps of the secondary and having a selector for connecting the indexing pole with a selected pole of the multiple poles.
Claim 2
Dependent Claim
108 words
A vermin chasing and control ultrasonic wave generating system comprising a power source, an oscillator connected to the power source, an amplifier connected to the oscillator and to the power source, an output transformer having a primary connected to the amplifier and having a secondary, a plurality of output taps connected to the secondary at successively greater distances from the first end of the secondary, a multiple pole switch having an indexing pole connected to a second output line and having multiple poles connected severally to multiple taps of the secondary and having a selector for connecting the indexing pole with a selected pole of the multiple poles.
Claim 3
Dependent Claim
66 words
The vermin chasing and control apparatus of claim 1 further comprising a frequency reducing circuit connected in parallel to a circuit in the oscillator, and a normally open push button switch connected in completion of the frequency reducing circuit. whereby pushing the button completes the frequency reducing circuit, coupling the frequency reducing circuit to the oscillator and de-tuning the oscillator for producing audible sonic wave frequencies.
Claim 4
Dependent Claim
45 words
The vermin chasing and control apparatus of claim 1 further comprising indicator circuit connected to one end of the secondary and to a tap of the secondary, an indicator means mounted in the indicator circuit for producing a discernible indication of condition of the apparatus.
Claim 5
Dependent Claim
40 words
The vermin chasing and control apparatus of claim 3 wherein the indicator means comprises a neon lamp and ballast resistor connected in series in the indicator circuit for lighting the lamp when voltage in the circuit exceeds a predetermined maximum.
Claim 6
Dependent Claim
30 words
The apparatus of claim 4 wherein the indicator circuit is connected to a first end of the secondary and to a medial tap in the multiple taps of the secondary.
Claim 7
Dependent Claim
122 words
The apparatus of claim 1 further comprising a second amplifier connected to the power supply and to the oscillator in parallel to the first amplifier, a second output transformer having a primary and secondary, the primary being connected to the second amplifier and a second pair of output lines, one line in the second pair being connected to a first end of the secondary of the second output transformer, and a second line in the second pair being connected to an elector of the multiple pole switch having multiple poles being severally connected to multiple taps of the secondary of the second output transformer for selectively coupling one of the taps to the second line in the second pair of output lines.
Claim 8
Dependent Claim
38 words
The vermin chasing and control apparatus of claim 1 further comprising a plurality of speaker heads connected in series to the output lines, each speaker head having a speaker indicator circuit connected in parallel to the speaker head.
Claim 9
Dependent Claim
35 words
The vermin chasing and control apparatus of claim 7 wherein the speaker indicator circuit comprises a neon lamp and ballast resistor connected in series in the speaker indicator circuit for indicating condition of the speaker.
Claim 10
Dependent Claim
23 words
The vermin chasing and control apparatus of claim 7 wherein from 6 to 15 speakers are connected in series to the output lines.
Claim 11
Dependent Claim
44 words
The vermin chasing and control apparatus of claim 7 wherein the speaker heads comprise heads having magnets, curved pole pieces, coils adjacent the pole pieces, curved vibration boards spaced outward from the curved pole pieces and curved equalizers spaced outward from the vibration boards.
Claim 12
Dependent Claim
28 words
The vermin chasing and control apparatus of claim 10 wherein the speakers heads further comprise vibration board covers with spaced segmental wave transmitting openings above the vibration boards.
Claim 13
Dependent Claim
23 words
The vermin chasing and control apparatus of claim 7 wherein from 1 to 15 speakers are connected in series to the output lines.
Claim 14
Dependent Claim
23 words
The vermin chasing and control apparatus of claim 7 wherein from 1 to 10 speakers are connected in series to the output lines.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-24 | 1978-09-23 | 1979-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-24 | 1982-09-23 | 1983-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-24 | 1986-09-23 | 1987-03-25 | $7700.00 | Window Closed / Lapsed |