US4857883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Call device-attached patrol recorder
Assignee: Amano Corp
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Filing: 1986-08-11
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Granted: 1989-08-15
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Expires: 2006-08-11
Abstract
Abstract A call device-attached patrol recorder for use with a group of coders includes a patrol storing apparatus which includes a patrol recorder having a circuit for storing patrol information consisting of a position code of a coder arranged at every check position of a patrol course and a patrol time in turn by inserting the patrol recorder into the coder and a central unit having a circuit for reading out and printing out the patrol information recorded in the patrol recorder on paper; the patrol recorder also including a receiver for receiving a call signal emitted from a transmitter and an acknowledging device for acknowledging the receipt of the call signal.
Inventors
- 👤 Shinichi Mama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:37
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A call device-attached patrol recorder system comprising: a plurality of coders, each having a unique position code, said coders arranged along check positions of a patrol course such that said position codes respectively correspond to said check positions; at least one movable patrol recorder including a means for storing patrol information, wherein said patrol information includes a position code and a patrol time of one of said plurality of coders, said position code and patrol time being stored by inserting said patrol recorder into said one of said plurality of coders; a fixed central unit including a means for reading out and printing out said patrol information recorded in said at least one patrol recorder on paper; said at least one patrol recorder also including a call signal receiving means for receiving a call signal emitted from a transmitter means disposed by said central unit and a call signal acknowledging means for acknowledging the receipt of said call signal.
Claim 2
Dependent Claim
159 words
A call device-attached patrol recorder system comprising: a plurality of coders, each having a unique position code, said coders arranged along check positions of a patrol course such that said position codes respectively correspond to said check positions; at least one movable patrol recorder including a means for storing patrol information, wherein said patrol information includes a position code and a patrol time of one of said plurality of coders, said position code and patrol time being stored by inserting said patrol recorder into said one of said plurality of coders; a fixed central unit including a means for reading out and printing out said patrol information recorded in said at least one patrol recorder on paper; said at least one patrol recorder also including a call signal receiving means for receiving a call signal emitted from a transmitter means disposed by said central unit and a call signal acknowledging means for acknowledging the receipt of said call signal.
Claim 3
Dependent Claim
30 words
A call device-attached patrol recorder system as recited in claim 1, wherein said call signal receiving means includes a radio signal receiver provided within said at least one patrol recorder.
Claim 4
Dependent Claim
23 words
A call device-attached patrol recorder system as recited in claim 1, wherein said call signal acknowledging means includes a buzzer or a lamp.
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) | 1992-08-14 | 1993-02-13 | 1993-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-14 | 1997-02-13 | 1997-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-14 | 2001-02-13 | 2001-08-15 | $7700.00 | Window Closed / Lapsed |