Patent US5239587A successfully refreshed from Google Patents.
US5239587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording device for use by hunters
Assignee: CASTAGNO JOE
•
Filing: 1992-02-14
•
Granted: 1993-08-24
•
Expires: 2012-02-14
Abstract
Abstract The present invention provides for the unattended recording of game animal sound activities in hunting areas by combining an external microphone and a sound recording apparatus housed within a weather resistent case. The sound recording apparatus includes a high gain amplifier so that sounds over a wide geographic area may be detected. The output of the high gain amplifier is fed into a standard cassette tape recorder. The entire apparatus is provided with a digital clock and means for taking the output of the digital clock and turning the apparatus on and off at selected time intervals in order to take a sample of sound activity over an extended time interval without requiring the hunter to spend an excessively lengthy amount of time in reviewing the recorded sounds.
Inventors
- 👤 Bruce Muckelrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:38
CPC Classifications
A; A01; A01M; A01M31/00; A01M31/004; G; G11; G11B; G11B25/00; G11B25/06; G11B25/063; G11B33/00; G11B33/02; G11B33/022; G11B33/025; G11B33/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
140 words
A device for use by hunters for unattended recording of game animal sound activity in hunting areas, comprising: a moisture resistent case having an interior space; means for access to said interior space; an external microphone communicating electrically with said interior space; sound recording means located within said interior space comprising a high gain amplifier, means for transmitting electrical signals from said external microphone to said high gain amplifier, a cassette tape recorder, means for transmitting electrical signals from said high gain amplifier to said cassette tape recorder, a digital clock, and means communicating with said high gain amplifier, said cassette tape recorder and said digital clock for activating said cassette tape recorder at selected time intervals; a plurality of electrical storage batteries; and means for electrically connecting said storage batteries to said external microphone and said sound recording means.
Claim 2
Independent Claim
140 words
A device for use by hunters for unattended recording of game animal sound activity in hunting areas, comprising: a moisture resistent case having an interior space; means for access to said interior space; an external microphone communicating electrically with said interior space; sound recording means located within said interior space comprising a high gain amplifier, means for transmitting electrical signals from said external microphone to said high gain amplifier, a cassette tape recorder, means for transmitting electrical signals from said high gain amplifier to said cassette tape recorder, a digital clock, and means communicating with said high gain amplifier, said cassette tape recorder and said digital clock for activating said cassette tape recorder at selected time intervals; a plurality of electrical storage batteries; and means for electrically connecting said storage batteries to said external microphone and said sound recording means.
Claim 3
Dependent Claim
20 words
A device as set forth in claim 1 wherein said external microphone further comprises means for directionally preferential sound detection.
Claim 4
Dependent Claim
20 words
A device as set forth in claim 2 wherein said high gain amplifier further comprises means for automatic gain control.
References Cited (Backward Citations)
US4819101A
Cited
US4562590A
Cited
US4884064A
Cited
US4807051A
Cited
US4876721A
Cited
US5146353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-08-23 | 1997-02-22 | 1997-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-23 | 2001-02-22 | 2001-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-23 | 2005-02-22 | 2005-08-24 | $7700.00 | Window Closed / Lapsed |