US3359425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensory preception device
Assignee: Individual
•
Filing: 1964-06-03
•
Granted: 1967-12-19
•
Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Harry M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:58
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/001; G09B21/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A SENSORY PERCEPTION APPARATUS ADAPTED FOR USE BY THE BLIND, COMPRISING AN ELONGATED HOUSING OF A SIZE AND SHAPE TO BE HELD AND DIRECTIONALLY ORIENTED BY THE HAND, A FORWARDLY-EXPOSED PHOTO-SENSITIVE RESISTANCE CELL TO SENSE LIGHT APPEARING AT THE FORWARD END OF THE HOUSING, THE CELL AND HOUSING BEING SO CONSTRUCTED AND ARRANGED THAT THE CELL IS RESPONSIVE TO LIGHT APPEARING WITHIN A LIMITED FORWARD ANGLE WHEREBY THE RESPONSE AND ORIENTATION INDICATE THE DIRECTION OF INCIDENT LIGHT, AN ELECTRICAL OSCILLATOR CIRCUIT IN SAID HOUSING, AN OUTPUT SIGNAL DEVICE CONNECTED TO SAID CIRCUIT FOR OPERATION THEREBY TO PRODUCE A PERCEPTIBLE VIBRATORY SIGNAL, SAID CIRCUIT HAVING A CONTROL LOOP CONNECTED TO INCLUDE SAID PHOTO-SENSITIVE CELL AND CONTROLLING THE OPERATION OF THE CIRCUIT AND SIGNAL DEVICE IN RESPONSE TO PHOTO-RESPONSIVE RESISTANCE OF SAID CELL,
Claim 2
Dependent Claim
131 words
A SENSORY PERCEPTION APPARATUS ADAPTED FOR USE BY THE BLIND, COMPRISING AN ELONGATED HOUSING OF A SIZE AND SHAPE TO BE HELD AND DIRECTIONALLY ORIENTED BY THE HAND, A FORWARDLY-EXPOSED PHOTO-SENSITIVE RESISTANCE CELL TO SENSE LIGHT APPEARING AT THE FORWARD END OF THE HOUSING, THE CELL AND HOUSING BEING SO CONSTRUCTED AND ARRANGED THAT THE CELL IS RESPONSIVE TO LIGHT APPEARING WITHIN A LIMITED FORWARD ANGLE WHEREBY THE RESPONSE AND ORIENTATION INDICATE THE DIRECTION OF INCIDENT LIGHT, AN ELECTRICAL OSCILLATOR CIRCUIT IN SAID HOUSING, AN OUTPUT SIGNAL DEVICE CONNECTED TO SAID CIRCUIT FOR OPERATION THEREBY TO PRODUCE A PERCEPTIBLE VIBRATORY SIGNAL, SAID CIRCUIT HAVING A CONTROL LOOP CONNECTED TO INCLUDE SAID PHOTO-SENSITIVE CELL AND CONTROLLING THE OPERATION OF THE CIRCUIT AND SIGNAL DEVICE IN RESPONSE TO PHOTO-RESPONSIVE RESISTANCE OF SAID CELL,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |