US3249761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric headlamp dimmer which adjusts headlamps inwardly
Assignee: Individual
•
Filing: 1962-10-08
•
Granted: 1966-05-03
•
Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 Baumanns Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:42
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/06; B60Q1/076; B60Q1/0017; B60Q1/0023; B60Q1/08; B60Q1/085; B60Q1/14; B60Q1/1415; B60Q1/1423; B60Q1/18; B60Q2300/00; B60Q2300/05; B60Q2300/056; B60Q2300/20; B60Q2300/21; B60Q2300/40; B60Q2300/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A HEADLIGHT CONTROL SYSTEM FOR USE ON TWO SPACED HEADLAMPS OF A CONTROLLED MOTOR VEHICLE WHEN MEETING OTHER ONCOMING VEHICLES ON A ROADWALY HAVING HEADLAMPS RADIATING ENERGY TOWARD THE CONTROLLED MOTOR VEHICLE COMPRISING IN COMBINATION, A PHOTOCELL ARRAY POSITIONED ON THE CONTROLLED VEHICLE FOR RECEIVING SAID ENERGY FROM AN ONCOMING VEHICLE, AND HEADLAMP POSITION CONTROL MEANS RESPONSIVE TO THE PHOTOCELL ARRAY FOR AUTOMATICALLY PIVOTING THE TWO SPACED HEADLAMPS INWARDLY OVER A RANGE OF ADJUSTMENT PROPORTIONAL TO THE INTENSITY OF THE ENERGY RECEIVED FROM THE HEADLAMPS OF THE ONCOMING VEHICLE TO AN EXTENT POINTING ONE HEADLAMP BEAM OFF THE ROADWAY CREATING A DARK ZONE SEGMENT WHICH FOLLOWS THE POSITION OF THE ONCOMING VEHICLE AND RETAINING ILLUMINATION FROM ONE HEADLAMP ALONG THE SIDE OF THE ROADWAY UPON WHICH THE CONTROLLED VEHICLE IS PASSING.
Claim 2
Dependent Claim
131 words
A HEADLIGHT CONTROL SYSTEM FOR USE ON TWO SPACED HEADLAMPS OF A CONTROLLED MOTOR VEHICLE WHEN MEETING OTHER ONCOMING VEHICLES ON A ROADWALY HAVING HEADLAMPS RADIATING ENERGY TOWARD THE CONTROLLED MOTOR VEHICLE COMPRISING IN COMBINATION, A PHOTOCELL ARRAY POSITIONED ON THE CONTROLLED VEHICLE FOR RECEIVING SAID ENERGY FROM AN ONCOMING VEHICLE, AND HEADLAMP POSITION CONTROL MEANS RESPONSIVE TO THE PHOTOCELL ARRAY FOR AUTOMATICALLY PIVOTING THE TWO SPACED HEADLAMPS INWARDLY OVER A RANGE OF ADJUSTMENT PROPORTIONAL TO THE INTENSITY OF THE ENERGY RECEIVED FROM THE HEADLAMPS OF THE ONCOMING VEHICLE TO AN EXTENT POINTING ONE HEADLAMP BEAM OFF THE ROADWAY CREATING A DARK ZONE SEGMENT WHICH FOLLOWS THE POSITION OF THE ONCOMING VEHICLE AND RETAINING ILLUMINATION FROM ONE HEADLAMP ALONG THE SIDE OF THE ROADWAY UPON WHICH THE CONTROLLED VEHICLE IS PASSING.
References Cited (Backward Citations)
US1611267A
Cited
US2753487A
Cited
US1584006A
Cited
US1877279A
Cited
US2423278A
Cited
US2921757A
Cited
US2807752A
Cited
US2896089A
Cited
US2931944A
Cited
US3079529A
Cited
US2982859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |