System and method of using variable pulses for symbology

• US 9,350,418 B2
• Filed: 06/02/2015
• Issued: 05/24/2016
• Est. Priority Date: 10/28/1999
• Status: Expired due to Fees

• Current Assignee: Lightwaves Systems, Inc.
• Original Assignee: Lightwaves Systems, Inc.
• Inventors: Melick, Bruce D., Snyder, David M., Baych, Leslie D.
• Primary Examiner(s): Sedighian, M. R.
• Application Number:
  US14/728,156
• Publication Number:
  US 20150263783A1
• Time in Patent Office: 357 Days
• Field of Search: 398/189, 398/190, 398/191, 398/140, 375/238, 375/239, 375/237
• US Class Current: 1/1
• CPC Class Codes: H03K 7/08 Duration or width modulation ; Duty cycle modulation
• CPC Class Codes: H04B 1/69 Spread spectrum techniques
• CPC Class Codes: H04B 1/7163 using impulse radio
• CPC Class Codes: H04B 1/7172 Pulse shape in general H04L25/03834
• CPC Class Codes: H04B 1/7176 Data mapping, e.g. modulation
• CPC Class Codes: H04B 14/026 using pulse time characteristics modulation, e.g. width, position, interval
• CPC Class Codes: H04B 2203/5416 by adding signals to the wave form of the power source
• CPC Class Codes: H04B 3/52 Systems for transmission between fixed stations via waveguides
• CPC Class Codes: H04L 25/0384 Design of pulse shapes pulse shape for impulse radio H04B1/7172
• CPC Class Codes: H04L 25/4902 Pulse width modulation; Pulse position modulation
• CPC Class Codes: H04L 27/0004 using wavelets
• CPC Class Codes: H04L 5/1469 using time-sharing

Abstract

A method and system for storing and transmitting data using variable pulse characteristics to represent ASCII or UNICODE characters, of the value of a string of data using a number base higher than 2. Pulse characteristics are modified to correspond to different data values. Pulse characteristics can include pulse durations, pulse spacings, pulse amplitudes, pulse phases, pulse polarities, pulse shapes and/or other pulse characteristics.

Claims

1. A method of transmitting date, the method comprising:

receiving data representing a symbol from a memory unit, the data expressing the symbol comprising a string base number higher than two;

transforming the data into an ultra wide band transmission pulse, the ultrawide band transmission pulse comprising two separate pulse characteristics, the first characteristic selected from a set of predetermined pulse characteristics corresponding to the symbol, the second characteristic selected from a set of predetermined pulse characteristics to represent metadata; and

transmitting the ultrawide band transmission pulse from a transmitter to a receiver;

receiving the ultrawide band transmission pulse at the receiver; and

translating the ultrawide band transmission pulse onto the original symbol and metadata.

2. The method of claim 1 wherein the first pulse characteristic is the pulse duration.

3. The method of claim 2 wherein the second pulse characteristic is the duration between pulses.

4. The method of claim 1 wherein the different symbols include the numbers 0-9.

5. The method of claim 1 wherein the different symbols include the lower case letters a-z.

6. The method of claim 1 wherein the different symbols include the upper case letters A-Z.

7. The method of claim 1 wherein the different symbols include any combination of lower and upper case letters A-Z.

8. The method of claim 1 wherein the transmitting of the ultrawide band transmission pulse comprises transmitting the ultrawide band transmission pulse over a guided medium connecting the transmitter and the receiver.