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Iyappan V Ramachandran

from Sammamish, WA
Age ~46
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Related to:
Sriramprasad Ramaswamy, 49Anusha RanganathanSpiram RamaswamyGokulakannan RamaswamySunder Ramanathan
Connected to:
Aarti Ramachandran, 43Abirami Ramachandran, 48Anjali Ramachandra, 45Bhuvaneshwari Ramachandran, 50Chaithanya Ramachandra, 45Geeta K Ramachandran, 56Gopinath Ramachandra, 47Goutham K Ramachandra, 56Harish Ramachandran, 54Indraj Ramachandran, 48

Iyappan Ramachandran Phones & Addresses

  • Sammamish, WA
  • Santa Clara, CA
  • Sunnyvale, CA
  • Novato, CA
  • San Francisco, CA
  • Bothell, WA
  • Everett, WA
  • Seattle, WA
  • Snohomish, WA
  • 29 Stasia Dr, Novato, CA 94947

Work

Company: Apple Oct 2015 Position: Wireless systems engineer

Education

Degree: Doctorates, Doctor of Philosophy School / High School: University of Washington 2001 to 2006 Specialities: Electrical Engineering

Skills

R&D • Rf • Signal Processing • Lte • C++ • Matlab • Debugging • Vsa • Wireless • Telecommunications • C# • Wpf • Embedded Systems • Software Design • C • Software Development • Software Engineering • Algorithms • Perl • Embedded Software • Electrical Engineering • Linux

Languages

English • Tamil

Industries

Telecommunications

Resumes

Resumes

Iyappan Ramachandran Photo 1

Project Kuiper

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Location:
2629 179Th St southeast, Bothell, WA 98012
Industry:
Telecommunications
Work:
Apple
Wireless Systems Engineer
Keysight Technologies Aug 2014 - Sep 2015
Expert R and D Engineer
Agilent Technologies Dec 2006 - Jul 2014
R and D Engineer
University of Washington Apr 2004 - Dec 2006
Research Assistant
Merl Sep 2003 - Mar 2004
Intern
Education:
University of Washington 2001 - 2006
Doctorates, Doctor of Philosophy, Electrical Engineering Birla Institute of Technology and Science, Pilani 1996 - 2000
Bachelor of Engineering, Bachelors, Electronics Engineering, Electronics Sboa Matric Hr Sec School
Birla Institute of Technology and Science, Pilani
Skills:
R&D
Rf
Signal Processing
Lte
C++
Matlab
Debugging
Vsa
Wireless
Telecommunications
C#
Wpf
Embedded Systems
Software Design
C
Software Development
Software Engineering
Algorithms
Perl
Embedded Software
Electrical Engineering
Linux
Languages:
English
Tamil

Publications

Us Patents

Electronic Device Having Adjustable Antenna Settings

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US Patent:
20200274570, Aug 27, 2020
Filed:
May 12, 2020
Appl. No.:
15/930298
Inventors:
- Cupertino CA, US
Matthew A. Mow - Los Altos CA, US
Mattia Pascolini - San Francisco CA, US
Ruben Caballero - San Jose CA, US
Thomas E. Biedka - San Jose CA, US
Yuancheng Xu - Melbourne FL, US
Iyappan Ramachandran - Santa Clara CA, US
International Classification:
H04B 1/3827
H04M 1/03
H04M 1/02
G06K 9/20
H04M 1/725
G06K 9/62
G06T 7/521
H04W 52/28
G06T 7/55
Abstract:
An electronic device may include control circuitry, sensors, and wireless circuitry having antennas. The sensors may generate sensor data that is used by the control circuitry to identify an operating environment for the device. The sensor data may include a grip map generated by a touch-sensitive display, infrared facial recognition image signals or other image signals, an angle of arrival of sound received by a set of microphones, impedance data from an impedance sensor, and any other desired sensor data. The control circuitry may use the sensor data, radio-frequency spatial ranging data, information about whether audio is being played over an ear speaker, and/or information about communications protocols in use to identify the operating environment. The control circuitry may adjust antenna settings for the wireless circuitry based on the identified operating environment to ensure that the antennas operate with satisfactory antenna efficiency regardless of operating conditions.

System And Method Of Controlling Devices Using Motion Gestures

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US Patent:
20200104038, Apr 2, 2020
Filed:
Jul 19, 2019
Appl. No.:
16/517520
Inventors:
- Cupertino CA, US
Harneet Singh OBEROI - San Jose CA, US
Iyappan RAMACHANDRAN - Santa Clara CA, US
Jaemyung LIM - Sunnyvale CA, US
International Classification:
G06F 3/0488
G06F 3/01
G06K 9/00
Abstract:
In some embodiments, an electronic device performs an action in response to detection of a sequence of one or more motion gestures. Motion gesture information of a first electronic device optionally includes a first portion representing a respective attitude of the first electronic device relative to a frame of reference and a second portion that includes movement of the first electronic device from the respective attitude of the first electronic device. In accordance with a determination that the movement of the first electronic device during the second portion of the motion gesture meets movement criteria for a movement gesture that corresponds to the respective attitude of the first electronic device, a process is initiated to control the first electronic device or a second electronic device in accordance with the second portion of the motion gesture.

Electronic Device Having Adjustable Antenna Settings

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US Patent:
20190393918, Dec 26, 2019
Filed:
Jun 25, 2018
Appl. No.:
16/017847
Inventors:
- Cupertino CA, US
Matthew A. Mow - Los Altos CA, US
Mattia Pascolini - San Francisco CA, US
Ruben Caballero - San Jose CA, US
Thomas E. Biedka - San Jose CA, US
Yuancheng Xu - Melbourne FL, US
Iyappan Ramachandran - Santa Clara CA, US
International Classification:
H04B 1/3827
H04M 1/03
H04M 1/02
G06K 9/20
G06T 7/55
G06K 9/62
G06T 7/521
H04W 52/28
H04M 1/725
Abstract:
An electronic device may include control circuitry, sensors, and wireless circuitry having antennas. The sensors may generate sensor data that is used by the control circuitry to identify an operating environment for the device. The sensor data may include a grip map generated by a touch-sensitive display, infrared facial recognition image signals or other image signals, an angle of arrival of sound received by a set of microphones, impedance data from an impedance sensor, and any other desired sensor data. The control circuitry may use the sensor data, radio-frequency spatial ranging data, information about whether audio is being played over an ear speaker, and/or information about communications protocols in use to identify the operating environment. The control circuitry may adjust antenna settings for the wireless circuitry based on the identified operating environment to ensure that the antennas operate with satisfactory antenna efficiency regardless of operating conditions.

Electronic Device Antennas Having Multi-Band Tuning Capabilities

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US Patent:
20180342794, Nov 29, 2018
Filed:
May 23, 2017
Appl. No.:
15/602972
Inventors:
- Cupertino CA, US
Thomas E. Biedka - San Jose CA, US
Matthew A. Mow - Los Altos CA, US
Iyappan Ramachandran - Santa Clara CA, US
Mattia Pascolini - San Francisco CA, US
Xu Han - San Jose CA, US
Hao Xu - Cupertino CA, US
Jennifer M. Edwards - San Francisco CA, US
Salih Yarga - Sunnyvale CA, US
Yijun Zhou - Sunnyvale CA, US
International Classification:
H01Q 1/24
H01Q 5/35
H04W 4/02
H04B 1/401
Abstract:
An electronic device may include an antenna having a resonating element, an antenna ground, and a feed. First and second tunable components may be coupled to the resonating element. Adjustable matching circuitry may be coupled to the feed. Control circuitry may use the first tunable component to tune a midband antenna resonance when sensor circuitry identifies that the device is being held in a right hand and may use the second tunable component to tune the midband resonance when the sensor circuitry identifies that the device is being held in a left hand. For tuning a low band resonance, the control circuitry may place the antenna in different tuning states by sequentially adjusting a selected one of the matching circuitry and the tunable components, potentially reverting to a previous tuning state at each step in the sequence. This may ensure that antenna efficiency is satisfactory regardless of antenna loading conditions.
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Iyappan V Ramachandran from Sammamish, WA, age ~46 Get Report