Patent US3212023A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3212023A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital stabilized master oscillator with auxiliary high frequency loop

Assignee: Collins Radio Co
•
Filing: 1964-05-07
•
Granted: 1965-10-12
•
Expires: 1984-05-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr Samuel L Broadhead

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:10
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/18; H03L7/183; H03L7/187

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 266 words
A DIGITAL STABILIZED MASTER OSCILLATOR SYSTEM HAVING SWITCH FREQUENCY SELECTOR CONTROL MEANS CAPABLE OF SWITCHING THE SYSTEM FOR VARIOUS DESIRED MASTER OSCILLATOR OUTPUT FREQUENCIES, HAVING SWITCHED DIVIDER CIRCUIT MEANS SWITCH CONTROLLED BY SAID FREQUENCY SELECTOR CONTROL MEANS, WITH THE MASTER OSCILLATOR SYSTEM CAPABLE OF CAPTURE AND HOLD OF THE PARTICULAR FREQUENCY SELECTED AT ANY TIME, FROM THE AVAILABLE CONTROL SELECTED MASTER OSCILLATOR OUTPUT FREQUENCIES, SUBSTANTIALLY FREE FROM JITTER, WHEREIN, SAID MASTER OSCILLATOR SYSTEM INCLUDES: A CONTROL VOLTAGE FREQUENCY ADJUSTABLE MASTER OSCILLATOR; FREQUENCY CONTROLLING VOLTAGE INPUT MEANS FOR SAID MASTER OSCILLATOR; SWITCHED DIVIDER CIRCUIT MEANS; SWITCH FREQUENCY SELECTOR CONTROL MEANS CONTROLLABLY SELECTING THE DIVISION FACTOR AND THEREBY FREQUENCY OUTPUT FROM THE MASTER OSCILLATOR; WITH THE MASTER OSCILLATOR SYSTEM HAVING A LOW FREQUENCY LOO INCLUDING SAID SWITCHED DIVIDER CIRCUIT MEANS CONNECTED FOR RECEIVING THE OUTPUT FREQUENCY OF SAID MASTER OSCILLATOR, A REFERENCE FREQUENCY SOURCE, AND A FREQUENCY AND PHASE DISCRIMINATOR CONNECTED FOR RECEIVING AS INPUTS THE OUTPUT OF SAID SWITCHED DIVIDER CIRCUIT MEANS AND THE REFERENCE FREQUENCY OF SAID REFERENCE FREQUENCY SOURCE, AND WITH SAID FREQUENCY AND PHASE DISCRIMINATOR HAVING A FREQUENCY CORRECTIVE VOLTAGE OUTPUT CONNECTED TO THE FREQUENCY CONTROLLING VOLTAGE INPUT MEANS OF SAID CONTROL VOLTAGE FREQUENCY ADJUSTABLE MASTER OSCILLATOR; AND HAVING A HIGH FREQUENCY LOOP WITH A PHASE DISCRIMINATOR CONNECTED FOR RECEIVING THE FREQUENCY OUTPUT OF SAID MASTER OSCILLATOR, A PULSE GENERATOR CONNECTED TO SAID REFERENCE FREQUENCY SOURCE AND PROVIDING A PULSE TRAIN OUTPUT AT THE REFERENCE FREQUENCY THROUGH CONNECTIVE MEANS TO SAID PHASE DISCRIMINATOR, AND WITH THE PHASE DISCRIMINATOR HAVING A VOLTAGE OUTPUT CONNECTION TO THE FREQUENCY CONTROLLING VOLTAGE INPUT MEANS OF SAID MASTER OSCILLATOR.
Claim 2
Dependent Claim 266 words
A DIGITAL STABILIZED MASTER OSCILLATOR SYSTEM HAVING SWITCH FREQUENCY SELECTOR CONTROL MEANS CAPABLE OF SWITCHING THE SYSTEM FOR VARIOUS DESIRED MASTER OSCILLATOR OUTPUT FREQUENCIES, HAVING SWITCHED DIVIDER CIRCUIT MEANS SWITCH CONTROLLED BY SAID FREQUENCY SELECTOR CONTROL MEANS, WITH THE MASTER OSCILLATOR SYSTEM CAPABLE OF CAPTURE AND HOLD OF THE PARTICULAR FREQUENCY SELECTED AT ANY TIME, FROM THE AVAILABLE CONTROL SELECTED MASTER OSCILLATOR OUTPUT FREQUENCIES, SUBSTANTIALLY FREE FROM JITTER, WHEREIN, SAID MASTER OSCILLATOR SYSTEM INCLUDES: A CONTROL VOLTAGE FREQUENCY ADJUSTABLE MASTER OSCILLATOR; FREQUENCY CONTROLLING VOLTAGE INPUT MEANS FOR SAID MASTER OSCILLATOR; SWITCHED DIVIDER CIRCUIT MEANS; SWITCH FREQUENCY SELECTOR CONTROL MEANS CONTROLLABLY SELECTING THE DIVISION FACTOR AND THEREBY FREQUENCY OUTPUT FROM THE MASTER OSCILLATOR; WITH THE MASTER OSCILLATOR SYSTEM HAVING A LOW FREQUENCY LOO INCLUDING SAID SWITCHED DIVIDER CIRCUIT MEANS CONNECTED FOR RECEIVING THE OUTPUT FREQUENCY OF SAID MASTER OSCILLATOR, A REFERENCE FREQUENCY SOURCE, AND A FREQUENCY AND PHASE DISCRIMINATOR CONNECTED FOR RECEIVING AS INPUTS THE OUTPUT OF SAID SWITCHED DIVIDER CIRCUIT MEANS AND THE REFERENCE FREQUENCY OF SAID REFERENCE FREQUENCY SOURCE, AND WITH SAID FREQUENCY AND PHASE DISCRIMINATOR HAVING A FREQUENCY CORRECTIVE VOLTAGE OUTPUT CONNECTED TO THE FREQUENCY CONTROLLING VOLTAGE INPUT MEANS OF SAID CONTROL VOLTAGE FREQUENCY ADJUSTABLE MASTER OSCILLATOR; AND HAVING A HIGH FREQUENCY LOOP WITH A PHASE DISCRIMINATOR CONNECTED FOR RECEIVING THE FREQUENCY OUTPUT OF SAID MASTER OSCILLATOR, A PULSE GENERATOR CONNECTED TO SAID REFERENCE FREQUENCY SOURCE AND PROVIDING A PULSE TRAIN OUTPUT AT THE REFERENCE FREQUENCY THROUGH CONNECTIVE MEANS TO SAID PHASE DISCRIMINATOR, AND WITH THE PHASE DISCRIMINATOR HAVING A VOLTAGE OUTPUT CONNECTION TO THE FREQUENCY CONTROLLING VOLTAGE INPUT MEANS OF SAID MASTER OSCILLATOR.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-11 1969-04-12 1969-10-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-11 1973-04-12 1973-10-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-11 1977-04-12 1977-10-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag